128.30.3.0/24

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Summary

IP address summary information
ASN	AS3 — Massachusetts Institute of Technology
BGP Prefix	128.30.0.0/15
Pingable IPs	81
Routers	0


128.30.3.0	tigjumbo.network.csail.mit.edu
128.30.3.1	tigjumbo.default.csail.mit.edu	Ping
128.30.3.2	tigjumbo.core-1.csail.mit.edu	Ping
128.30.3.3	tigjumbo.core-2.csail.mit.edu	Ping
128.30.3.4	ceph-osd0.csail.mit.edu	Ping
128.30.3.5	webstack-2.csail.mit.edu
128.30.3.6	webstack-3.csail.mit.edu
128.30.3.7	webstack-4.csail.mit.edu
128.30.3.8	—
128.30.3.9	—
128.30.3.10	—
128.30.3.11	backup-slave-0.csail.mit.edu	Ping
128.30.3.12	kvas-jumbo.csail.mit.edu
128.30.3.13	vcuda-0.csail.mit.edu
128.30.3.14	vcuda-2.csail.mit.edu

Traceroute

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

$ traceroute -a -n -q1 -f2 128.30.3.78

traceroute to 128.30.3.78 (128.30.3.78): 64 hops max, 52 byte packets

2 [AS1299] 62.115.214.218 1.01 ms

3 *

4 *

5 [AS3356] 4.69.230.142 32.005 ms

6 [AS3356] 4.16.14.70 32.358 ms

7 *

8 [AS3] 18.0.162.142 32.809 ms

9 *

10 [AS3] 128.30.4.2 32.948 ms

11 [AS3] 128.30.3.78 32.082 ms

Measurement taken from

IPinfo ProbeNet in Kansas City, US

On July 21, 2026

Traceroute

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128.30.3.0/24

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128.30.3.0/24

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