128.91.48.0/24

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Summary

IP address summary information
ASN	AS55 — University of Pennsylvania
BGP Prefix	128.91.0.0/16
Pingable IPs	58
Routers	11


128.91.48.0	—
128.91.48.1	—
128.91.48.2	—
128.91.48.3	—
128.91.48.4	—
128.91.48.5	hnt-fw.hnt-brdr-dmz.router.upenn.edu	Ping
128.91.48.6	hnt-brdr-dmz.hnt-fw.router.upenn.edu	Ping
128.91.48.7	—
128.91.48.8	—
128.91.48.9	vag-fw.vag-brdr-dmz.router.upenn.edu	Ping
128.91.48.10	vag-brdr-dmz.vag-fw.router.upenn.edu	Ping
128.91.48.11	—
128.91.48.12	—
128.91.48.13	hnt-brdr.hnt-fw.router.upenn.edu	Ping
128.91.48.14	hnt-fw.hnt-brdr.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 -f3 128.91.48.5

traceroute to 128.91.48.5 (128.91.48.5): 64 hops max, 52 byte packets

3 [AS3356] 213.242.114.25 11.869 ms

4 [AS3356] 4.69.209.74 105.89 ms

5 [AS55] 128.91.48.5 107.488 ms

Measurement taken from

IPinfo ProbeNet in Girona, ES

On July 21, 2026

Traceroute

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128.91.48.0/24

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128.91.48.0/24

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