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ASN Lookup Tool
AS3561 CENTURYLINK-LEGACY-SAVVIS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3561
Organisation
CenturyLink Communications, LLC
Name
CENTURYLINK-LEGACY-SAVVIS
Total IPv4 Addresses
7,149,869
Total IPv4 Prefixes
1,667
Total IPv6 Prefixes
140
Total IPv4 Bogon Prefixes
1
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#67 out of 79,352
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2018-11-15
Receiving From
ASN
Organisation
AS7991
US flagCenturyLink Communications, LLC
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications, LLC
AS209
US flagCenturyLink Communications, LLC
AS2914
US flagNTT America, Inc.
Showing 5 of 89
Transit To
ASN
Organisation
AS203
US flagLevel 3 Parent, LLC
AS29457
GB flagOptions Technology Ltd
AS14343
US flagi2 Technologies Inc.
AS16761
US flagTenneco Inc.
AS46160
US flagKyndryl
Showing 5 of 58
IPv4 Active Prefixes
PrefixRange FromRange To
23.230.137.0/2423.230.137.023.230.137.255
23.230.194.0/2423.230.194.023.230.194.255
23.230.243.0/2423.230.243.023.230.243.255
45.38.49.0/2445.38.49.045.38.49.255
45.38.144.0/2445.38.144.045.38.144.255
Showing 5 of 1,666
IPv6 Active Prefixes
PrefixRange FromRange To
2001:460::/452001:460::2001:460:7:ffff:ffff:ffff:ffff:ffff
2001:460:8::/512001:460:8::2001:460:8:1fff:ffff:ffff:ffff:ffff
2001:460:8:2000::/522001:460:8:2000::2001:460:8:2fff:ffff:ffff:ffff:ffff
2001:460:8:3000::/522001:460:8:3000::2001:460:8:3fff:ffff:ffff:ffff:ffff
2001:460:8:4000::/502001:460:8:4000::2001:460:8:7fff:ffff:ffff:ffff:ffff
Showing 5 of 140