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ASN Lookup Tool
AS203 CENTURYLINK-LEGACY-LVLT-203

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS203
Organisation
Level 3 Parent, LLC
Name
CENTURYLINK-LEGACY-LVLT-203
Total IPv4 Addresses
125,056
Total IPv4 Prefixes
180
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,744 out of 79,140
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2002-06-05
Registration Last Change
2019-12-04
Receiving From
ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
AS701
US flagVerizon Business
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS3561
US flagCenturyLink Communications, LLC
Showing 5 of 12
Transit To
ASN
Organisation
AS174
US flagCogent Communications
AS10753
US flagLevel 3 Parent, LLC
IPv4 Active Prefixes
PrefixRange FromRange To
4.4.61.192/264.4.61.1924.4.61.255
4.14.40.160/274.14.40.1604.14.40.191
4.43.138.192/264.43.138.1924.43.138.255
4.43.139.0/264.43.139.04.43.139.63
4.59.53.128/264.59.53.1284.59.53.191
Showing 5 of 180