Why there are ip(ip) and domain(ip) 's difference and multi rows records in the traceroute?
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up vote
1
down vote
favorite
In the traceroute
command:
$ traceroute 104.43.54.2
traceroute to 104.43.54.2 (104.43.54.2), 64 hops max, 52 byte packets
1 10.10.10.1 (10.10.10.1) 4.852 ms 4.623 ms 1.588 ms
2 100.64.0.1 (100.64.0.1) 8.808 ms 10.895 ms 8.823 ms
3 182.138.108.153 (182.138.108.153) 11.466 ms * 12.800 ms
4 171.208.203.73 (171.208.203.73) 12.107 ms
171.208.198.29 (171.208.198.29) 9.733 ms
171.208.203.65 (171.208.203.65) 5.950 ms
5 202.97.36.221 (202.97.36.221) 44.352 ms 45.386 ms 47.354 ms
6 202.97.90.170 (202.97.90.170) 55.260 ms
202.97.66.154 (202.97.66.154) 43.573 ms
202.97.90.170 (202.97.90.170) 41.755 ms
7 202.97.94.77 (202.97.94.77) 68.178 ms
202.97.91.145 (202.97.91.145) 41.120 ms 38.737 ms
8 202.97.57.81 (202.97.57.81) 54.497 ms 48.810 ms 48.332 ms
9 202.97.121.198 (202.97.121.198) 74.393 ms 44.649 ms 41.414 ms
10 ae26-0.icr02.hkg31.ntwk.msn.net (104.44.236.209) 46.573 ms 49.441 ms 53.710 ms
11 ae25-0.hkb-96cbe-1b.ntwk.msn.net (104.44.236.206) 54.067 ms 45.355 ms 76.172 ms
12 ae36-0.sge-96cbe-1b.ntwk.msn.net (104.44.224.255) 73.793 ms 97.979 ms 81.148 ms
13 ae18-0.sge-96cbe-1a.ntwk.msn.net (104.44.226.168) 80.137 ms 74.344 ms
ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146) 73.529 ms
14 * ae28-0.icr01.sg2.ntwk.msn.net (104.44.236.136) 115.877 ms 92.173 ms
15 * * *
16 * * *
17 * * *
18 * *
I have some questions about the shows,
1) What's the difference between 171.208.203.65 (171.208.203.65)
and ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146)
? one is ip(ip) and the other is domain(ip).
2) in the 4
, 6
, 7
, and 13
, there are two rows of records :
13 ae18-0.sge-96cbe-1a.ntwk.msn.net (104.44.226.168) 80.137 ms 74.344 ms
ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146) 73.529 ms
why?
icmp traceroute
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up vote
1
down vote
favorite
In the traceroute
command:
$ traceroute 104.43.54.2
traceroute to 104.43.54.2 (104.43.54.2), 64 hops max, 52 byte packets
1 10.10.10.1 (10.10.10.1) 4.852 ms 4.623 ms 1.588 ms
2 100.64.0.1 (100.64.0.1) 8.808 ms 10.895 ms 8.823 ms
3 182.138.108.153 (182.138.108.153) 11.466 ms * 12.800 ms
4 171.208.203.73 (171.208.203.73) 12.107 ms
171.208.198.29 (171.208.198.29) 9.733 ms
171.208.203.65 (171.208.203.65) 5.950 ms
5 202.97.36.221 (202.97.36.221) 44.352 ms 45.386 ms 47.354 ms
6 202.97.90.170 (202.97.90.170) 55.260 ms
202.97.66.154 (202.97.66.154) 43.573 ms
202.97.90.170 (202.97.90.170) 41.755 ms
7 202.97.94.77 (202.97.94.77) 68.178 ms
202.97.91.145 (202.97.91.145) 41.120 ms 38.737 ms
8 202.97.57.81 (202.97.57.81) 54.497 ms 48.810 ms 48.332 ms
9 202.97.121.198 (202.97.121.198) 74.393 ms 44.649 ms 41.414 ms
10 ae26-0.icr02.hkg31.ntwk.msn.net (104.44.236.209) 46.573 ms 49.441 ms 53.710 ms
11 ae25-0.hkb-96cbe-1b.ntwk.msn.net (104.44.236.206) 54.067 ms 45.355 ms 76.172 ms
12 ae36-0.sge-96cbe-1b.ntwk.msn.net (104.44.224.255) 73.793 ms 97.979 ms 81.148 ms
13 ae18-0.sge-96cbe-1a.ntwk.msn.net (104.44.226.168) 80.137 ms 74.344 ms
ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146) 73.529 ms
14 * ae28-0.icr01.sg2.ntwk.msn.net (104.44.236.136) 115.877 ms 92.173 ms
15 * * *
16 * * *
17 * * *
18 * *
I have some questions about the shows,
1) What's the difference between 171.208.203.65 (171.208.203.65)
and ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146)
? one is ip(ip) and the other is domain(ip).
2) in the 4
, 6
, 7
, and 13
, there are two rows of records :
13 ae18-0.sge-96cbe-1a.ntwk.msn.net (104.44.226.168) 80.137 ms 74.344 ms
ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146) 73.529 ms
why?
icmp traceroute
New contributor
fanhualuojin154873 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |Â
up vote
1
down vote
favorite
up vote
1
down vote
favorite
In the traceroute
command:
$ traceroute 104.43.54.2
traceroute to 104.43.54.2 (104.43.54.2), 64 hops max, 52 byte packets
1 10.10.10.1 (10.10.10.1) 4.852 ms 4.623 ms 1.588 ms
2 100.64.0.1 (100.64.0.1) 8.808 ms 10.895 ms 8.823 ms
3 182.138.108.153 (182.138.108.153) 11.466 ms * 12.800 ms
4 171.208.203.73 (171.208.203.73) 12.107 ms
171.208.198.29 (171.208.198.29) 9.733 ms
171.208.203.65 (171.208.203.65) 5.950 ms
5 202.97.36.221 (202.97.36.221) 44.352 ms 45.386 ms 47.354 ms
6 202.97.90.170 (202.97.90.170) 55.260 ms
202.97.66.154 (202.97.66.154) 43.573 ms
202.97.90.170 (202.97.90.170) 41.755 ms
7 202.97.94.77 (202.97.94.77) 68.178 ms
202.97.91.145 (202.97.91.145) 41.120 ms 38.737 ms
8 202.97.57.81 (202.97.57.81) 54.497 ms 48.810 ms 48.332 ms
9 202.97.121.198 (202.97.121.198) 74.393 ms 44.649 ms 41.414 ms
10 ae26-0.icr02.hkg31.ntwk.msn.net (104.44.236.209) 46.573 ms 49.441 ms 53.710 ms
11 ae25-0.hkb-96cbe-1b.ntwk.msn.net (104.44.236.206) 54.067 ms 45.355 ms 76.172 ms
12 ae36-0.sge-96cbe-1b.ntwk.msn.net (104.44.224.255) 73.793 ms 97.979 ms 81.148 ms
13 ae18-0.sge-96cbe-1a.ntwk.msn.net (104.44.226.168) 80.137 ms 74.344 ms
ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146) 73.529 ms
14 * ae28-0.icr01.sg2.ntwk.msn.net (104.44.236.136) 115.877 ms 92.173 ms
15 * * *
16 * * *
17 * * *
18 * *
I have some questions about the shows,
1) What's the difference between 171.208.203.65 (171.208.203.65)
and ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146)
? one is ip(ip) and the other is domain(ip).
2) in the 4
, 6
, 7
, and 13
, there are two rows of records :
13 ae18-0.sge-96cbe-1a.ntwk.msn.net (104.44.226.168) 80.137 ms 74.344 ms
ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146) 73.529 ms
why?
icmp traceroute
New contributor
fanhualuojin154873 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
In the traceroute
command:
$ traceroute 104.43.54.2
traceroute to 104.43.54.2 (104.43.54.2), 64 hops max, 52 byte packets
1 10.10.10.1 (10.10.10.1) 4.852 ms 4.623 ms 1.588 ms
2 100.64.0.1 (100.64.0.1) 8.808 ms 10.895 ms 8.823 ms
3 182.138.108.153 (182.138.108.153) 11.466 ms * 12.800 ms
4 171.208.203.73 (171.208.203.73) 12.107 ms
171.208.198.29 (171.208.198.29) 9.733 ms
171.208.203.65 (171.208.203.65) 5.950 ms
5 202.97.36.221 (202.97.36.221) 44.352 ms 45.386 ms 47.354 ms
6 202.97.90.170 (202.97.90.170) 55.260 ms
202.97.66.154 (202.97.66.154) 43.573 ms
202.97.90.170 (202.97.90.170) 41.755 ms
7 202.97.94.77 (202.97.94.77) 68.178 ms
202.97.91.145 (202.97.91.145) 41.120 ms 38.737 ms
8 202.97.57.81 (202.97.57.81) 54.497 ms 48.810 ms 48.332 ms
9 202.97.121.198 (202.97.121.198) 74.393 ms 44.649 ms 41.414 ms
10 ae26-0.icr02.hkg31.ntwk.msn.net (104.44.236.209) 46.573 ms 49.441 ms 53.710 ms
11 ae25-0.hkb-96cbe-1b.ntwk.msn.net (104.44.236.206) 54.067 ms 45.355 ms 76.172 ms
12 ae36-0.sge-96cbe-1b.ntwk.msn.net (104.44.224.255) 73.793 ms 97.979 ms 81.148 ms
13 ae18-0.sge-96cbe-1a.ntwk.msn.net (104.44.226.168) 80.137 ms 74.344 ms
ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146) 73.529 ms
14 * ae28-0.icr01.sg2.ntwk.msn.net (104.44.236.136) 115.877 ms 92.173 ms
15 * * *
16 * * *
17 * * *
18 * *
I have some questions about the shows,
1) What's the difference between 171.208.203.65 (171.208.203.65)
and ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146)
? one is ip(ip) and the other is domain(ip).
2) in the 4
, 6
, 7
, and 13
, there are two rows of records :
13 ae18-0.sge-96cbe-1a.ntwk.msn.net (104.44.226.168) 80.137 ms 74.344 ms
ae38-0.icr02.sg2.ntwk.msn.net (104.44.236.146) 73.529 ms
why?
icmp traceroute
icmp traceroute
New contributor
fanhualuojin154873 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
fanhualuojin154873 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
fanhualuojin154873 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked 1 hour ago
fanhualuojin154873
82
82
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fanhualuojin154873 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
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Check out our Code of Conduct.
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2 Answers
2
active
oldest
votes
up vote
3
down vote
accepted
1) Traceroute may attempt to resolve the hop's IP address via DNS. As you didn't include any additional flags to explicitly enable this functionality, your traceroute application does so by default. If you just see an IP address, it wasn't able to resolve it.
2) This is because a different path was taken on successive traces. Since traceroute works by sending a series of probes with an increasing TTL, each successive probe may end up taking a different path. If multiple distinct routers are seen at the same hop while running a single trace, you've hit a spot where traffic may be load balanced between two routers, for example.
- It's important to remember that the path traceroute shows you isn't discovered by a single packet -- it's multiple -- as many as are required to eventually receive a response from the destination.
The Linux man page has a nice explanation of traceroute's behavior: http://man7.org/linux/man-pages/man8/traceroute.8.html
add a comment |Â
up vote
1
down vote
1 - it is because your traceroute client is performing reverse DNS lookup. I.E. it asks to the DNS server which is the domain name associated with this IP address. In one case, there's no such reverse record, so the IP address is displayed in place in the domain name. In the other case, there's a reverse record for this IP address and so traceroute display it.
Using traceroute -n
, traceroute will not perform the reverse DNS lookup, saving time.
Use man traceroute
for more details.
2 - this is probably due to a kind of load-balancing feature: there's 2 (or more) devices capable of responding for this IP address and both responded.
add a comment |Â
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
3
down vote
accepted
1) Traceroute may attempt to resolve the hop's IP address via DNS. As you didn't include any additional flags to explicitly enable this functionality, your traceroute application does so by default. If you just see an IP address, it wasn't able to resolve it.
2) This is because a different path was taken on successive traces. Since traceroute works by sending a series of probes with an increasing TTL, each successive probe may end up taking a different path. If multiple distinct routers are seen at the same hop while running a single trace, you've hit a spot where traffic may be load balanced between two routers, for example.
- It's important to remember that the path traceroute shows you isn't discovered by a single packet -- it's multiple -- as many as are required to eventually receive a response from the destination.
The Linux man page has a nice explanation of traceroute's behavior: http://man7.org/linux/man-pages/man8/traceroute.8.html
add a comment |Â
up vote
3
down vote
accepted
1) Traceroute may attempt to resolve the hop's IP address via DNS. As you didn't include any additional flags to explicitly enable this functionality, your traceroute application does so by default. If you just see an IP address, it wasn't able to resolve it.
2) This is because a different path was taken on successive traces. Since traceroute works by sending a series of probes with an increasing TTL, each successive probe may end up taking a different path. If multiple distinct routers are seen at the same hop while running a single trace, you've hit a spot where traffic may be load balanced between two routers, for example.
- It's important to remember that the path traceroute shows you isn't discovered by a single packet -- it's multiple -- as many as are required to eventually receive a response from the destination.
The Linux man page has a nice explanation of traceroute's behavior: http://man7.org/linux/man-pages/man8/traceroute.8.html
add a comment |Â
up vote
3
down vote
accepted
up vote
3
down vote
accepted
1) Traceroute may attempt to resolve the hop's IP address via DNS. As you didn't include any additional flags to explicitly enable this functionality, your traceroute application does so by default. If you just see an IP address, it wasn't able to resolve it.
2) This is because a different path was taken on successive traces. Since traceroute works by sending a series of probes with an increasing TTL, each successive probe may end up taking a different path. If multiple distinct routers are seen at the same hop while running a single trace, you've hit a spot where traffic may be load balanced between two routers, for example.
- It's important to remember that the path traceroute shows you isn't discovered by a single packet -- it's multiple -- as many as are required to eventually receive a response from the destination.
The Linux man page has a nice explanation of traceroute's behavior: http://man7.org/linux/man-pages/man8/traceroute.8.html
1) Traceroute may attempt to resolve the hop's IP address via DNS. As you didn't include any additional flags to explicitly enable this functionality, your traceroute application does so by default. If you just see an IP address, it wasn't able to resolve it.
2) This is because a different path was taken on successive traces. Since traceroute works by sending a series of probes with an increasing TTL, each successive probe may end up taking a different path. If multiple distinct routers are seen at the same hop while running a single trace, you've hit a spot where traffic may be load balanced between two routers, for example.
- It's important to remember that the path traceroute shows you isn't discovered by a single packet -- it's multiple -- as many as are required to eventually receive a response from the destination.
The Linux man page has a nice explanation of traceroute's behavior: http://man7.org/linux/man-pages/man8/traceroute.8.html
answered 57 mins ago


boomi
70635
70635
add a comment |Â
add a comment |Â
up vote
1
down vote
1 - it is because your traceroute client is performing reverse DNS lookup. I.E. it asks to the DNS server which is the domain name associated with this IP address. In one case, there's no such reverse record, so the IP address is displayed in place in the domain name. In the other case, there's a reverse record for this IP address and so traceroute display it.
Using traceroute -n
, traceroute will not perform the reverse DNS lookup, saving time.
Use man traceroute
for more details.
2 - this is probably due to a kind of load-balancing feature: there's 2 (or more) devices capable of responding for this IP address and both responded.
add a comment |Â
up vote
1
down vote
1 - it is because your traceroute client is performing reverse DNS lookup. I.E. it asks to the DNS server which is the domain name associated with this IP address. In one case, there's no such reverse record, so the IP address is displayed in place in the domain name. In the other case, there's a reverse record for this IP address and so traceroute display it.
Using traceroute -n
, traceroute will not perform the reverse DNS lookup, saving time.
Use man traceroute
for more details.
2 - this is probably due to a kind of load-balancing feature: there's 2 (or more) devices capable of responding for this IP address and both responded.
add a comment |Â
up vote
1
down vote
up vote
1
down vote
1 - it is because your traceroute client is performing reverse DNS lookup. I.E. it asks to the DNS server which is the domain name associated with this IP address. In one case, there's no such reverse record, so the IP address is displayed in place in the domain name. In the other case, there's a reverse record for this IP address and so traceroute display it.
Using traceroute -n
, traceroute will not perform the reverse DNS lookup, saving time.
Use man traceroute
for more details.
2 - this is probably due to a kind of load-balancing feature: there's 2 (or more) devices capable of responding for this IP address and both responded.
1 - it is because your traceroute client is performing reverse DNS lookup. I.E. it asks to the DNS server which is the domain name associated with this IP address. In one case, there's no such reverse record, so the IP address is displayed in place in the domain name. In the other case, there's a reverse record for this IP address and so traceroute display it.
Using traceroute -n
, traceroute will not perform the reverse DNS lookup, saving time.
Use man traceroute
for more details.
2 - this is probably due to a kind of load-balancing feature: there's 2 (or more) devices capable of responding for this IP address and both responded.
answered 1 hour ago
JFL
9,80411134
9,80411134
add a comment |Â
add a comment |Â
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