128.91.240.0/24

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Summary

IP address summary information
ASN	AS55 — University of Pennsylvania
BGP Prefix	128.91.0.0/16
Pingable IPs	129
Routers	24


128.91.240.0	—
128.91.240.1	sdh-arb.hnt.router.upenn.edu	Ping
128.91.240.2	hnt.sdh-arb.router.upenn.edu	Ping
128.91.240.3	—
128.91.240.4	—
128.91.240.5	nic.nichols.router.upenn.edu	Ping
128.91.240.6	nichols.nic.router.upenn.edu	Ping
128.91.240.7	—
128.91.240.8	—
128.91.240.9	eisenschwein.vagelos.router.upenn.edu	Ping
128.91.240.10	vagelos.eisenschwein.router.upenn.edu	Ping
128.91.240.11	—
128.91.240.12	—
128.91.240.13	eisenschwein.nichols.router.upenn.edu	Ping
128.91.240.14	nichols.eisenschwein.router.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 -f6 128.91.240.177

traceroute to 128.91.240.177 (128.91.240.177): 64 hops max, 52 byte packets

6 [] 206.82.104.148 2.022 ms

7 [AS11537] 163.253.1.241 5.499 ms

8 [AS55] 128.91.240.177 3.869 ms

Measurement taken from

IPinfo ProbeNet in New York City, US

On July 21, 2026

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128.91.240.0/24

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128.91.240.0/24

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