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ASN Lookup Tool
AS63331 LBL-2

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS63331
Organisation
Lawrence Berkeley National Laboratory
Name
LBL-2
Total IPv4 Addresses
776
Total IPv4 Prefixes
6
Total IPv6 Prefixes
5
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#43,499 out of 79,077
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2014-12-04
Registration Last Change
2024-06-06
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS2152
US flagCENIC
AS293
US flagESnet
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

PrefixRange FromRange To
137.164.23.38/31137.164.23.38137.164.23.39
137.164.50.228/30137.164.50.228137.164.50.231
137.164.50.250/31137.164.50.250137.164.50.251
192.12.173.0/24192.12.173.0192.12.173.255
192.58.231.0/24192.58.231.0192.58.231.255
Showing 5 of 6
IPv6 Active Prefixes
PrefixRange FromRange To
2607:f380:1::118:9a41:7260/1232607:f380:1::118:9a41:72602607:f380:1::118:9a41:727f
2607:f380:1::118:9a43:2e40/1222607:f380:1::118:9a43:2e402607:f380:1::118:9a43:2e7f
2607:f380:1::118:9a43:2fa0/1232607:f380:1::118:9a43:2fa02607:f380:1::118:9a43:2fbf
2620:83:8004::/482620:83:8004::2620:83:8004:ffff:ffff:ffff:ffff:ffff
2620:83:8005::/482620:83:8005::2620:83:8005:ffff:ffff:ffff:ffff:ffff