131.243.254.0/24

BGP Announced

AS CIDR Description
AS16 131.243.0.0/16 LBL - Lawrence Berkeley National Laboratory, US

Real Time BGP Data

AS / Info Prefix AS Path
Real-time BGP data for 131.243.254.0/24 is loaded by JavaScript after the page renders and is not part of this page's HTML.

Reverse DNS List (Total:10)

IP Host DateTime
131.243.254.1 irz1-n1-2--irz1-91-2--irb-3254.vrrp.lbl.gov 2026-10-25 08:56:19
131.243.254.2 irb-3254.irz1-n1-2.lbl.gov 2026-10-25 08:56:19
131.243.254.3 irb-3254.irz1-91-2.lbl.gov 2026-10-25 08:56:19
131.243.254.12 lotus-b-v4.lbl.gov 2026-10-25 08:56:19
131.243.254.13 ps-50b-2275-3-vm-pt-dev.lbl.gov 2026-10-25 08:56:19
131.243.254.14 ps-50b-2275-vm-pt-dev.lbl.gov 2026-10-25 08:56:19
131.243.254.15 ps-50b-2275-2-vm-pt-dev.lbl.gov 2026-10-25 08:56:19
131.243.254.17 nsdev64-1-v4.lbl.gov 2026-10-25 08:56:19
131.243.254.20 testtransfer20240701.biomanufactory.com 2026-10-25 08:56:19
131.243.254.21 testtransfer20240725.biomanufactory.org 2026-10-25 08:56:19

Top 20 / total ASN

Country / Region Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 32219 1497299200 975910303763789
Brazil 9157 77606656 31373490721038
China 6582 356442368 148181518405677
India 6264 35222528 24757297422338
Russian Federation 5752 47281664 11487351490128
Indonesia 3995 11931904 1335890477063
Germany 3253 114097664 72219796635914
United Kingdom 3148 71173888 33263329673219
Australia 3042 40737792 20616764002310
Canada 2518 54993920 4262402850822
Poland 2465 19310592 14416672134154
France 2174 74868480 12994736816131
Ukraine 2014 8336384 5178559168512
Bangladesh 2002 2099968 1166247198721
Netherlands 1619 51557120 19177824780814
Hong Kong 1363 20882176 5802796253456
Argentina 1349 18638848 19658027630592
Italy 1317 52913664 29680064266240
Japan 1277 161360384 33661432037381
Republic of Korea 1177 112819456 17726344724493