128.111.4.0/24

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Summary

IP address summary information
ASN	AS131 — University of California, Santa Barbara
BGP Prefix	128.111.0.0/16
Pingable IPs	22
Routers	4


128.111.4.0	—
128.111.4.1	535-noc-535-c.noc.ucsb.edu	Ping
128.111.4.2	572-phys.noc.ucsb.edu
128.111.4.3	535-cctr.noc.ucsb.edu
128.111.4.4	535-cctr-2.noc.ucsb.edu
128.111.4.5	—
128.111.4.6	568-sais.noc.ucsb.edu	Ping
128.111.4.7	568-cctr.noc.ucsb.edu
128.111.4.8	—
128.111.4.9	—
128.111.4.10	—
128.111.4.11	—
128.111.4.12	vpn.police.ucsb.edu
128.111.4.13	—
128.111.4.14	—

Traceroute

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

$ traceroute -a -n -q1 -f3 128.111.4.241

traceroute to 128.111.4.241 (128.111.4.241): 64 hops max, 52 byte packets

3 [AS3356] 4.35.156.66 0.5 ms

4 [AS2152] 137.164.23.91 2.647 ms

5 [AS131] 128.111.252.149 3.135 ms

6 [AS131] 128.111.4.241 4.705 ms

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

On July 22, 2026

Traceroute

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128.111.4.0/24

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Traceroute

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128.111.4.0/24

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