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ASN Lookup Tool
AS12337 NORIS-NETWORK

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12337
Organisation
noris network AG
Name
NORIS-NETWORK
Total IPv4 Addresses
115,456
Total IPv4 Prefixes
97
Total IPv6 Prefixes
29
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,817 out of 79,612
Registry
Ripe
Registered Country
DE flagDE
Registered Country Name
Germany
Registered Date
2002-09-03
Registration Last Change
2026-02-20
Receiving From
ASN
Organisation
AS33891
DE flagCore-Backbone GmbH
AS1239
US flagCogent Communications, LLC
AS3320
DE flagDeutsche Telekom AG
AS174
US flagCogent Communications, LLC
AS2914
US flagNTT America, Inc.
Showing 5 of 56
Transit To
ASN
Organisation
AS4210000108
WORLD flagPrivate Use AS
AS21433
GB flagAccenture UK Limited
AS60955
DE flagWavecon GmbH
AS204053
DE flagADESTIS GmbH
AS61303
DE flagNETWAYS GmbH
Showing 5 of 29
IPv4 Active Prefixes
PrefixRange FromRange To
31.13.185.0/2431.13.185.031.13.185.255
31.13.187.0/2431.13.187.031.13.187.255
45.88.236.0/2245.88.236.045.88.239.255
45.91.196.0/2345.91.196.045.91.197.255
45.146.16.0/2245.146.16.045.146.19.255
Showing 5 of 97
IPv6 Active Prefixes
PrefixRange FromRange To
2001:67c:fc4::/482001:67c:fc4::2001:67c:fc4:ffff:ffff:ffff:ffff:ffff
2001:67c:192c::/482001:67c:192c::2001:67c:192c:ffff:ffff:ffff:ffff:ffff
2001:67c:1933::/482001:67c:1933::2001:67c:1933:ffff:ffff:ffff:ffff:ffff
2001:780::/342001:780::2001:780:3fff:ffff:ffff:ffff:ffff:ffff
2001:780:4000::/362001:780:4000::2001:780:4fff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 29