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ASN Lookup Tool
AS33071 ISC-F-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS33071
Organisation
Internet Systems Consortium, Inc.
Name
ISC-F-AS
Total IPv4 Addresses
512
Total IPv4 Prefixes
2
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#56,351 out of 79,045
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2004-09-28
Registration Last Change
2012-02-24
Receiving From
ASN
Organisation
AS7922
US flagComcast Cable Communications, LLC
AS2914
US flagNTT America, Inc.
AS6079
US flagRCN
AS4181
US flagTDS TELECOM
AS8220
GB flagCOLT Technology Services Group Limited
Showing 5 of 51
Transit To
ASN
Organisation
AS24151
CN flagChina Internet Network Infomation Center 4 South..
AS24409
CN flagChina Internet Network Infomation Center 4 South..
AS24406
CN flagChina Internet Network Infomation Center 4 South..
AS24865
GB flagKeith Mitchell
IPv4 Active Prefixes
PrefixRange FromRange To
192.5.4.0/24192.5.4.0192.5.4.255
199.6.0.0/24199.6.0.0199.6.0.255
IPv6 Active Prefixes
PrefixRange FromRange To
2001:500:2e::/482001:500:2e::2001:500:2e:ffff:ffff:ffff:ffff:ffff
2001:500:71::/482001:500:71::2001:500:71:ffff:ffff:ffff:ffff:ffff