137.221.78.0/24

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:         peering@blizzard.com
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 137.221.78.0/24

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

Read more

Pingable IPs

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

IP Address	ASN	Details
137.221.78.141	AS57976 Blizzard Entertainment, Inc	`0.16ms` from Amsterdam, NL

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
24.250.175.56	AS22773 Cox Communications Inc.	`12.02ms` from Atlanta, US
73.122.194.216	AS7922 Comcast Cable Communications, LLC	`4.79ms` from Atlanta, US
94.27.172.232	AS5483 Magyar Telekom Plc.	`3.18ms` from Budapest, HU
116.163.49.72	AS4837 CHINA UNICOM China169 Backbone	`3.80ms` from Changsha, CN
174.102.124.40	AS10796 Charter Communications Inc	`5.78ms` from Columbus, US
75.229.12.24	AS6167 Verizon Business	`16.50ms` from Miami, US
90.190.81.24	AS3249 Telia Eesti AS	`1.19ms` from Tallinn, EE
89.111.216.24	AS25144 Telekomunikacije Republike Srpske akcionarsko drustvo Banja Luka	`14.31ms` from Zagreb, HR
107.189.14.40	AS53667 FranTech Solutions	`1.77ms` from Zuerich, CH
12.75.118.40	AS7018 AT&T Enterprises, LLC	`12.39ms` from Atlanta, US
98.138.237.232	AS36646 Yahoo Holdings Inc.	`10.36ms` from Chicago, US
34.136.210.40	AS396982 Google LLC	`0.13ms` from Council Bluffs, US
98.129.80.248	AS33070 Rackspace Hosting	`0.98ms` from Dallas, US
47.96.239.248	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`4.80ms` from Hangzhou, CN
3.108.126.248	AS16509 Amazon.com, Inc.	`0.14ms` from Mumbai, IN
182.56.190.72	AS17813 Mahanagar Telephone Nigam Limited	`2.34ms` from Mumbai, IN
121.42.64.8	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.33ms` from Qingdao, CN
27.208.139.136	AS4837 CHINA UNICOM China169 Backbone	`6.08ms` from Qingdao, CN
180.229.99.72	AS17858 LG POWERCOMM	`2.01ms` from Seoul, KR
134.185.42.184	AS54253 Oracle Corporation	`0.90ms` from Seoul, KR
223.63.172.72	AS9644 SK Telecom	`11.85ms` from Seoul, KR
20.116.177.232	AS8075 Microsoft Corporation	`0.15ms` from Toronto, CA
157.15.219.24	AS139623 My Net Pty Ltd	`4.57ms` from Adelaide, AU
208.69.35.168	AS36692 Cisco OpenDNS, LLC	`0.67ms` from Amsterdam, NL
54.240.248.248	AS16509 Amazon.com, Inc.	`0.14ms` from Boardman, US

Traceroute

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

traceroute -a -n -q1 -f3 137.221.78.12

traceroute to 137.221.78.12 (137.221.78.12): 64 hops max, 52 byte packets

3 [] 185.1.240.41 0.748 ms

4 *

5 [AS57976] 137.221.78.12 0.499 ms

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On March 13th 2026

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.

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