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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
#56,471 out of 79,082
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

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS7922
US flagComcast Cable Communications, LLC
AS1103
NL flagSURF B.V.
AS2914
US flagNTT America, Inc.
AS6079
US flagRCN
AS4181
US flagTDS TELECOM
Showing 5 of 52
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

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

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

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