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ASN Lookup Tool
AS11399 WILLIAMSCOLLEGE

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS11399
Organisation
Williams College
Name
WILLIAMSCOLLEGE
Total IPv4 Addresses
65,792
Total IPv4 Prefixes
3
Total IPv6 Prefixes
4
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,941 out of 78,966
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1998-08-05
Registration Last Change
2017-06-07
Receiving From
ASN
Organisation
AS6939
US flagHurricane Electric LLC
AS11178
US flagAccessPlus
Transit To
ASN
Organisation
AS4216200021
WORLD flagPrivate Use AS
AS4216200001
WORLD flagPrivate Use AS
AS4200000284
WORLD flagPrivate Use AS
AS4204000820
WORLD flagPrivate Use AS
AS4201000163
WORLD flagPrivate Use AS
Showing 5 of 210
IPv4 Active Prefixes
PrefixRange FromRange To
137.165.0.0/17137.165.0.0137.165.127.255
137.165.128.0/17137.165.128.0137.165.255.255
204.225.173.0/24204.225.173.0204.225.173.255
IPv6 Active Prefixes
PrefixRange FromRange To
2001:470:ed::/482001:470:ed::2001:470:ed:ffff:ffff:ffff:ffff:ffff
2602:811:3000::/442602:811:3000::2602:811:300f:ffff:ffff:ffff:ffff:ffff
2606:6b40:fff1::/482606:6b40:fff1::2606:6b40:fff1:ffff:ffff:ffff:ffff:ffff
2606:6b40:fff2::/482606:6b40:fff2::2606:6b40:fff2:ffff:ffff:ffff:ffff:ffff