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ASN Lookup Tool
AS109 CISCOSYSTEMS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS109
Organisation
CISCO SYSTEMS, INC.
Name
CISCOSYSTEMS
Total IPv4 Addresses
1,141,504
Total IPv4 Prefixes
134
Total IPv6 Prefixes
91
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#327 out of 79,095
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
1987-05-06
Registration Last Change
2023-09-12
Receiving From

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

ASN
Organisation
AS7018
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AS701
US flagVerizon Business
AS3356
US flagLevel 3 Parent, LLC
AS1221
AU flagTelstra Limited
AS4812
CN flagChina Telecom (Group) Shanghai Telecom Company S..
Showing 5 of 20
IPv4 Active Prefixes

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

PrefixRange FromRange To
12.5.186.0/2312.5.186.012.5.187.255
12.19.88.0/2112.19.88.012.19.95.255
12.159.148.0/2212.159.148.012.159.151.255
64.100.0.0/1664.100.0.064.100.255.255
64.101.0.0/1864.101.0.064.101.63.255
Showing 5 of 134
IPv6 Active Prefixes
PrefixRange FromRange To
2001:420::/412001:420::2001:420:7f:ffff:ffff:ffff:ffff:ffff
2001:420:80::/452001:420:80::2001:420:87:ffff:ffff:ffff:ffff:ffff
2001:420:88::/482001:420:88::2001:420:88:ffff:ffff:ffff:ffff:ffff
2001:420:89::/482001:420:89::2001:420:89:ffff:ffff:ffff:ffff:ffff
2001:420:8a::/482001:420:8a::2001:420:8a:ffff:ffff:ffff:ffff:ffff
Showing 5 of 91