128.91.254.0/24

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Summary

IP address summary information
ASN	AS55 — University of Pennsylvania
BGP Prefix	128.91.0.0/16
Pingable IPs	12
Routers	0


128.91.254.0	—
128.91.254.1	—
128.91.254.2	vrrp.huntsman-modv.router.upenn.edu	Ping
128.91.254.3	modvnoc2net-gw.router.upenn.edu	Ping
128.91.254.4	—
128.91.254.5	—
128.91.254.6	—
128.91.254.7	—
128.91.254.8	—
128.91.254.9	—
128.91.254.10	—
128.91.254.11	noc2-vrrp.dccs.upenn.edu
128.91.254.12	—
128.91.254.13	—
128.91.254.14	—

Traceroute

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

$ traceroute -a -n -q1 -f3 128.91.254.37

traceroute to 128.91.254.37 (128.91.254.37): 64 hops max, 52 byte packets

3 [AS174] 154.54.90.65 0.967 ms

4 [AS174] 154.54.5.2 2.969 ms

5 [AS174] 154.24.35.46 3.416 ms

6 [AS174] 38.122.170.6 2.922 ms

7 *

8 *

9 *

10 [AS55] 128.91.254.37 9.064 ms

Measurement taken from

IPinfo ProbeNet in New York City, US

On July 21, 2026

Traceroute

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128.91.254.0/24

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128.91.254.0/24

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