137.221.73.0/24

AS57976 · Blizzard Entertainment, Inc

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Summary

Country	Netherlands
Domain	blizzard.com
ASN	AS57976
Parent Range	137.221.64.0/19
Registry	RIPE
ID	BLIZZARD

WHOIS Details

inetnum:        137.221.64.0 - 137.221.95.255
netname:        BLIZZARD
country:        NL
admin-c:        BP5978-RIPE
tech-c:         BP5978-RIPE
status:         ASSIGNED PA
mnt-by:         MNT-BLIZZARD
created:        2018-08-27T19:57:32Z
last-modified:  2018-08-27T19:57:32Z
source:         RIPE

person:         Blizzard Peering
e-mail:         [email protected]
address:        1 Blizzard Way
phone:          +1-949-955-1380
nic-hdl:        BP5978-RIPE
mnt-by:         MNT-BLIZZARD
created:        2016-09-07T17:19:11Z
last-modified:  2018-08-24T18:24:09Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 137.221.73.0/24

Range	ASN	Company	Num of IPs
137.221.64.0/19	AS57976	Blizzard Entertainment, Inc	8,192

Nearby Ranges

BGP prefixes that overlap with 137.221.0.0/16

Range	ASN	Company	Num of IPs
137.221.64.0/19	AS57976	Blizzard Entertainment, Inc	8,192
137.221.0.0/20	AS49765	Customer Connections	4,096
137.221.56.0/21	AS48152	Digital Frankfurt GmbH	2,048
137.221.24.0/21	AS49586	Intility AS	2,048
137.221.184.0/21	AS41811	Allocated to network infrastructure and internal use	2,048
137.221.48.0/21	AS48152	Digital Frankfurt GmbH	2,048
137.221.16.0/21	AS49765	Customer Connections	2,048
137.221.223.0/24	AS8190	telent Technology Services Ltd	256
137.221.192.0/24	AS41811	telent Technology Services Ltd	256
137.221.193.0/24	AS41811	telent Technology Services Ltd	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

25 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
137.221.73.133	AS57976 Blizzard Entertainment, Inc	`0.10ms` from Seattle, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
118.173.6.8	AS23969 TOT Public Company Limited	`2.05ms` from Bangkok, TH
158.108.49.200	AS9411 Kasetsart University, Thailand	`0.94ms` from Bangkok, TH
52.42.246.40	AS16509 Amazon.com, Inc.	`0.20ms` from Boardman, US
46.91.136.232	AS3320 Deutsche Telekom AG	`4.25ms` from Frankfurt am Main, DE
139.9.187.40	AS55990 Huawei Cloud Service data center	`1.50ms` from Guangzhou, CN
154.89.65.152	AS142286 LUOGELANG (FRANCE) LIMITED	`0.52ms` from Hong Kong, HK
54.230.69.152	AS16509 Amazon.com, Inc.	`0.13ms` from Hong Kong, HK
13.75.6.216	AS8075 Microsoft Corporation	`0.31ms` from Hong Kong, HK
31.166.31.152	AS35819 Etihad Etisalat, a joint stock company	`4.01ms` from Jeddah, SA
109.181.47.168	AS2856 British Telecommunications PLC	`4.88ms` from London, GB
5.67.53.200	AS5607 Sky UK Limited	`7.05ms` from London, GB
195.221.117.232	AS2200 Renater	`7.86ms` from Marseille, FR
68.194.180.8	AS6128 Cablevision Systems Corp.	`5.45ms` from New York City, US
54.233.43.200	AS16509 Amazon.com, Inc.	`0.16ms` from Osasco, BR
125.7.234.104	AS3786 LG DACOM Corporation	`1.27ms` from Seoul, KR
59.7.102.152	AS4766 Korea Telecom	`1.85ms` from Seoul, KR
120.197.133.200	AS56040 China Mobile communications corporation	`1.95ms` from Shenzhen, CN
223.109.149.24	AS56046 China Mobile communications corporation	`8.36ms` from Suzhou, CN
158.181.111.200	AS8821 WWZ Telekom AG (TELEZUG)	`3.48ms` from Zuerich, CH
37.222.253.8	AS12430 VODAFONE ESPANA S.A.U.	`3.98ms` from Barcelona, ES
140.210.70.40	AS4808 China Unicom Beijing Province Network	`3.10ms` from Beijing, CN
31.37.47.200	AS5410 Bouygues Telecom SA	`6.16ms` from Frankfurt am Main, DE
119.91.32.88	AS45090 Shenzhen Tencent Computer Systems Company Limited	`2.16ms` from Guangzhou, CN
115.168.42.120	AS4134 CHINANET-BACKBONE	`3.06ms` from Huai'an, CN
23.240.141.56	AS20001 Charter Communications Inc	`6.55ms` from Los Angeles, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f2 137.221.73.38

traceroute to 137.221.73.38 (137.221.73.38): 64 hops max, 52 byte packets

2 [AS917] 170.39.227.2 0.247 ms

3 [] 84.17.33.8 0.474 ms

4 [AS57976] 137.221.73.38 1.67 ms

Measurement taken from

IPinfo ProbeNet in Seattle, US

On December 14th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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