128.91.85.0/24

Access unlimited lookups, API and downloads, data enrichment, and Probenet Live.

Summary

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


128.91.85.0	—
128.91.85.1	blk-cceb-private.dccs.upenn.edu	Ping
128.91.85.2	blkcl.cceb.upenn.edu
128.91.85.3	blknt.cceb.upenn.edu
128.91.85.4	blkf1.cceb.upenn.edu
128.91.85.5	blkf2.cceb.upenn.edu
128.91.85.6	—
128.91.85.7	—
128.91.85.8	—
128.91.85.9	—
128.91.85.10	dino.cceb.upenn.edu
128.91.85.11	—
128.91.85.12	—
128.91.85.13	—
128.91.85.14	—

Traceroute

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

$ traceroute -a -n -q1 -f5 128.91.85.65

traceroute to 128.91.85.65 (128.91.85.65): 64 hops max, 52 byte packets

5 [AS3356] 8.243.191.133 3.592 ms

6 *

7 [AS3356] 4.16.91.150 119.796 ms

8 *

9 *

10 *

11 [AS55] 128.91.85.65 118.488 ms

Measurement taken from

IPinfo ProbeNet in Santiago, CL

On July 21, 2026

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

128.91.85.0/24

Summary

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

Traceroute

128.91.85.0/24

Summary

IP Addresses

IP Addresses

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

IP Addresses

Traceroute