131.243.6.0/24

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Summary

IP address summary information
ASN	AS16 — Lawrence Berkeley National Laboratory
BGP Prefix	131.243.0.0/16
Pingable IPs	6
Routers	0


131.243.6.0	—	0
131.243.6.1	vlan701.irals.lbl.gov	0
131.243.6.2	irb-701.irals-15-2.lbl.gov	0
131.243.6.3	irb-701.iralsbl-15.lbl.gov	0
131.243.6.4	—	0
131.243.6.5	—	0
131.243.6.6	—	0
131.243.6.7	srrfmasterintlk.als.lbl.gov	0
131.243.6.8	—	0
131.243.6.9	—	0
131.243.6.10	—	0
131.243.6.11	srrfklysite1.als.lbl.gov	0
131.243.6.12	srrfklysite2.als.lbl.gov	0
131.243.6.13	srrfhvpsmain.als.lbl.gov	0
131.243.6.14	srrfvvthvps.als.lbl.gov	0

Traceroute

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

$ traceroute -a -n -q1 -f4 131.243.6.67

traceroute to 131.243.6.67 (131.243.6.67): 64 hops max, 52 byte packets

4 [AS63949] 173.230.159.134 0.44 ms

5 [] 206.223.116.137 0.834 ms

6 *

7 *

8 *

9 [AS292] 198.129.78.72 2.66 ms

10 *

11 [AS16] 131.243.245.155 2.785 ms

12 [AS16] 131.243.245.23 2.837 ms

13 [AS16] 131.243.244.133 2.732 ms

14 [AS16] 131.243.6.67 2.927 ms

Measurement taken from

IPinfo ProbeNet in Santa Clara, US

On August 27, 2026

Traceroute

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131.243.6.0/24

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131.243.6.0/24

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