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ASN Lookup Tool
AS1299 TWELVE99

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS1299
Organisation
Arelion Sweden AB
Name
TWELVE99
Total IPv4 Addresses
370,960
Total IPv4 Prefixes
145
Total IPv6 Prefixes
201
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#708 out of 79,446
Registry
Ripe
Registered Country
SE flagSE
Registered Country Name
Sweden
Registered Date
2002-09-19
Registration Last Change
2025-12-09
Receiving From
ASN
Organisation
AS33891
DE flagCore-Backbone GmbH
AS7018
US flagAT&T Enterprises, LLC
AS7922
US flagComcast Cable Communications, LLC
AS17676
JP flagSoftBank Mobile Corp. Tokyo Port City Takeshiba ..
AS3320
DE flagDeutsche Telekom AG
Showing 5 of 115
Transit To
ASN
Organisation
AS400274
WORLD flagPrivate Use AS
AS4228021506
WORLD flagPrivate Use AS
AS64629
WORLD flagPrivate Use AS
AS149476
CH flagiFog GmbH
AS209022
GB flagTschajera Limited
Showing 5 of 3748
IPv4 Active Prefixes
PrefixRange FromRange To
2.22.36.0/222.22.36.02.22.39.255
2.22.40.0/222.22.40.02.22.43.255
2.255.192.0/192.255.192.02.255.223.255
2.255.224.0/202.255.224.02.255.239.255
2.255.240.0/212.255.240.02.255.247.255
Showing 5 of 145
IPv6 Active Prefixes
PrefixRange FromRange To
2001:2000:3000::/402001:2000:3000::2001:2000:30ff:ffff:ffff:ffff:ffff:ffff
2001:2030::/332001:2030::2001:2030:7fff:ffff:ffff:ffff:ffff:ffff
2001:2030:8000::/342001:2030:8000::2001:2030:bfff:ffff:ffff:ffff:ffff:ffff
2001:2030:c000::/462001:2030:c000::2001:2030:c003:ffff:ffff:ffff:ffff:ffff
2001:2030:c004::/472001:2030:c004::2001:2030:c005:ffff:ffff:ffff:ffff:ffff
Showing 5 of 201