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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
121,024
Total IPv4 Prefixes
155
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,767 out of 79,646
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
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, LLC
AS7385
US flagAllstream Business US, LLC
Showing 5 of 9
Transit To
ASN
Organisation
AS10753
US flagLevel 3 Parent, LLC
AS18697
US flagGREEN MOUNTAIN POWER CORPORATION
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
4.31.172.128/254.31.172.1284.31.172.255
4.34.203.128/254.34.203.1284.34.203.255
4.43.86.0/254.43.86.04.43.86.127
Showing 5 of 155