AS57976 Blizzard Entertainment, Inc
AS57976 (BLIZZARD) is registered to Blizzard Entertainment, Inc in US. It originates 176 prefixes in the global routing table.
145
IPv4 prefixes
31
IPv6 prefixes
59,648
IPv4 addresses
94%
RPKI valid
Registration
Who holds AS57976
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS57976
Handle
BLIZZARD
Organization
Blizzard Entertainment, Inc
Country
US
ASPA
None published
Routing
What AS57976 announces
Prefixes originated by AS57976 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
145
IPv6 prefixes
31
IPv4 addresses
59,648 (233 /24s)
RPKI valid
167 94%
RPKI invalid
0
RPKI not found
9
ROAs naming AS57976
27
With an IRR route object
120 68%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (145)
5.42.160.0/225.42.164.0/225.42.168.0/225.42.172.0/225.42.176.0/235.42.178.0/2324.105.0.0/2224.105.16.0/2324.105.18.0/2424.105.19.0/2424.105.25.0/2424.105.27.0/2424.105.28.0/2424.105.29.0/2424.105.30.0/2424.105.31.0/2424.105.40.0/2124.105.50.0/2424.105.51.0/2424.105.52.0/2424.105.53.0/2424.105.54.0/2424.105.55.0/2424.105.56.0/2424.105.57.0/2424.105.58.0/2424.105.59.0/2424.105.60.0/2424.105.61.0/2424.105.62.0/2424.105.63.0/2437.244.0.0/2437.244.2.0/2437.244.3.0/2437.244.4.0/2237.244.8.0/2437.244.9.0/2437.244.10.0/2437.244.13.0/2437.244.14.0/2437.244.15.0/2437.244.16.0/2437.244.17.0/2437.244.19.0/2437.244.20.0/2437.244.23.0/2437.244.24.0/2437.244.25.0/2437.244.26.0/2437.244.27.0/2437.244.28.0/2437.244.29.0/2437.244.30.0/2337.244.32.0/2437.244.33.0/2437.244.34.0/2437.244.35.0/2437.244.36.0/2337.244.38.0/2437.244.40.0/2237.244.50.0/2437.244.52.0/2337.244.54.0/2437.244.55.0/2437.244.60.0/2259.153.40.0/2459.153.41.0/2459.153.42.0/2364.224.0.0/2164.224.24.0/2364.224.26.0/2364.224.28.0/2266.40.176.0/2266.40.180.0/2266.40.184.0/2466.40.185.0/2466.40.186.0/2466.40.187.0/2466.40.188.0/2366.40.190.0/2466.40.191.0/24103.4.114.0/24103.4.115.0/24103.198.32.0/24103.198.33.0/24117.52.6.0/24117.52.26.0/23117.52.33.0/24117.52.34.0/23117.52.36.0/23121.254.137.0/24121.254.206.0/23121.254.218.0/24137.221.64.0/19137.221.64.0/24137.221.68.0/24137.221.69.0/24137.221.70.0/24137.221.72.0/24137.221.73.0/24137.221.74.0/24137.221.75.0/24137.221.76.0/24137.221.77.0/24137.221.78.0/24137.221.79.0/24137.221.80.0/24137.221.81.0/24137.221.82.0/24137.221.84.0/24137.221.85.0/24137.221.86.0/24137.221.88.0/24137.221.89.0/24137.221.95.0/24137.221.104.0/22137.221.108.0/24137.221.109.0/24137.221.110.0/24137.221.111.0/24
Show 25 more
137.221.112.0/24150.116.9.0/24158.115.192.0/23158.115.194.0/23158.115.196.0/23158.115.198.0/24158.115.199.0/24158.115.200.0/21158.115.216.0/24158.115.217.0/24158.115.218.0/24158.115.219.0/24158.115.220.0/23158.115.222.0/24158.115.223.0/24182.162.31.0/24185.60.112.0/23185.60.114.0/23198.74.32.0/24198.74.33.0/24198.74.34.0/24198.74.35.0/24198.74.36.0/24198.74.37.0/24202.9.66.0/23
IPv6 (31)
2a04:e800:5010::/482a04:e800:5011::/482a04:e800:5014::/482a04:e800:5016::/482a04:e800:5020::/482a04:e800:5023::/482a04:e800:5040::/482a04:e800:5407::/482a04:e802::/322a04:e802::/482a04:e802:3::/482a04:e802:4::/482a04:e802:5::/482a04:e802:7::/482a04:e802:8::/482a04:e802:9::/482a04:e802:a::/482a04:e802:b::/482a04:e802:c::/482a04:e802:d::/482a04:e802:e::/482a04:e802:f::/482a04:e802:10::/482a04:e802:11::/482a04:e802:14::/482a04:e802:15::/482a04:e802:17::/482a04:e802:18::/482a04:e802:1e::/482a04:e802:1f::/482a04:e802:20::/48
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS57976 is reached through
The AS just before AS57976 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.
ASPA
Provider authorization
AS57976 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.
The 1 ASes that name AS57976 as a provider
IRR
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| RADB | BLIZZARD | MAINT-AS57976 |
| RIPE | BLIZZARD | RIPE-NCC-END-MNT, MNT-BLIZZARD |
Route objects with origin AS57976: RADB 202 · APNIC 14 · RIPE 4
as-sets that list AS57976 (100)first 40 shown
AS-ANY2-RSAS-BLIZZARDAS-CHIEF-TRANSITAS-CHIEF-TRANSIT-2002AS-CTBC-TOOLS-10AS-DACOMAS-ECIX-FRAAS-FINECOM-PEERS-AMSIXAS-FINECOM-PEERS-DECIXAS-FRANCEIX-PAR-LISTAS-GREEN-PEERSAS-HINETAS-HURRICANEAS-HURRICANEV6AS-IBERDECIXAS-KDDCUSTOMER2AS-LIQUID-AMSIXPEERSAS-LONAP-CONNECTEDAS-LONAP-MLPAS-LONAP-MLP-V6AS-LUMEN-CUSTOMERS-ASNSAS-MANDA-AMSIX-PEERS-V4AS-MANDA-AMSIX-PEERS-V6AS-MANDA-DECIX-PEERS-V4AS-MANDA-DECIX-PEERS-V6AS-MANDA-ECIX-PEERS-V4AS-MANDA-ECIX-PEERS-V6AS-MANDA-LINX-PEERS-V4AS-MANDA-LINX-PEERS-V6AS-NAO-PEERSAS-OPENTRANSITAS-RCN-CE-PEERSAS-REACH-CUSTOMERSAS-SFMIX-RSAS-SH-CUSTAS-SINGTELAS-SOLIX-RSAS-STORMWALL-SETAS-TELICITY-PEERING-FRANCE-IXAS-TELSTRA-INTL-CUSTOMERS