128.91.39.0/24

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Summary

IP address summary information
ASN	AS55 — University of Pennsylvania
BGP Prefix	128.91.0.0/16
Pingable IPs	53
Routers	3


128.91.39.0	—
128.91.39.1	hnt-new-nat-i.pennnet.nat.upenn.edu
128.91.39.2	new-nat-gw-i.pennnet.nat.upenn.edu
128.91.39.3	vag-new-nat-i.pennnet.nat.upenn.edu
128.91.39.4	—
128.91.39.5	hnt-brdr-i.pennnet.nat.upenn.edu
128.91.39.6	vag-brdr-i.pennnet.nat.upenn.edu
128.91.39.7	—
128.91.39.8	—
128.91.39.9	hnt-new-nat-o.pennnet.nat.upenn.edu	Ping
128.91.39.10	new-nat-gw-o.pennnet.nat.upenn.edu	Ping
128.91.39.11	vag-new-nat-o.pennnet.nat.upenn.edu	Ping
128.91.39.12	—
128.91.39.13	hnt-brdr-o.pennnet.nat.upenn.edu	Ping
128.91.39.14	vag-brdr-o.pennnet.nat.upenn.edu	Ping

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$ traceroute -a -n -q1 -f4 128.91.39.101

traceroute to 128.91.39.101 (128.91.39.101): 64 hops max, 52 byte packets

4 [AS3356] 4.16.91.150 79.789 ms

5 [AS55] 128.91.39.101 79.75 ms

Measurement taken from

IPinfo ProbeNet in Edinburgh, GB

On June 18, 2026

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128.91.39.0/24

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128.91.39.0/24

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