ResearchRouting table, RPKI, IRR & looking glass

AS11520 Allstate Insurance Company

AS11520 (ALLSTATE-INSURANCE-CO) is registered to Allstate Insurance Company in US. It originates 69 prefixes in the global routing table.

69
IPv4 prefixes
0
IPv6 prefixes
66,304
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS11520

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS11520
Handle
ALLSTATE-INSURANCE-CO
Organization
Allstate Insurance Company
Country
US
ASPA
None published
Routing

What AS11520 announces

Prefixes originated by AS11520 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
69
IPv6 prefixes
0
IPv4 addresses
66,304 (259 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
69
ROAs naming AS11520
0
With an IRR route object
21 30%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (69)
12.26.124.0/24167.127.0.0/19167.127.25.0/24167.127.32.0/19167.127.40.0/24167.127.41.0/24167.127.50.0/24167.127.64.0/19167.127.88.0/21167.127.96.0/19167.127.97.0/24167.127.100.0/23167.127.102.0/23167.127.104.0/23167.127.104.0/24167.127.105.0/24167.127.106.0/24167.127.107.0/24167.127.108.0/23167.127.109.0/24167.127.110.0/23167.127.110.0/24167.127.112.0/20167.127.114.0/23167.127.118.0/24167.127.120.0/23167.127.120.0/24167.127.122.0/24167.127.123.0/24167.127.124.0/24167.127.125.0/24167.127.128.0/19167.127.128.0/21167.127.128.0/24167.127.129.0/24167.127.130.0/24167.127.131.0/24167.127.132.0/23167.127.134.0/23167.127.136.0/24167.127.160.0/19167.127.182.0/24167.127.184.0/21167.127.192.0/19167.127.205.0/24167.127.206.0/24167.127.207.0/24167.127.208.0/22167.127.212.0/22167.127.212.0/24167.127.216.0/24167.127.218.0/24167.127.220.0/24167.127.221.0/24167.127.223.0/24167.127.224.0/19167.127.224.0/24167.127.225.0/24167.127.226.0/24167.127.228.0/24167.127.229.0/24167.127.244.0/22167.127.245.0/24167.127.246.0/24167.127.248.0/22167.127.248.0/23167.127.251.0/24198.207.185.0/24198.252.138.0/24

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS11520 is reached through

The AS just before AS11520 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS7018 ATT-INTERNET4 45AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK 14AS701 UUNET 2AS2685 ATGS-MMD-AS 1
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Route objects with origin AS11520: RADB 26

as-sets that list AS11520 (7)
AS-ATT2685-REGAS-GBLXAS-KDDCUSTOMER2AS-LEVEL3-ORIGINS-NAAS-PROLEAS-REACH-CUSTOMERSAS-TELSTRA-INTL-CUSTOMERS
Tools

Check AS11520 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup