77.72.0.0/21

AS12488 · Krystal Hosting Ltd

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	United Kingdom
Domain	krystal.uk
ASN	AS12488
Registry	RIPE
ID	UK-KRYSTAL-20070115

WHOIS Details

inetnum:        77.72.0.0 - 77.72.7.255
netname:        UK-KRYSTAL-20070115
country:        GB
org:            ORG-KSL2-RIPE
admin-c:        KNOC3-RIPE
tech-c:         KNOC3-RIPE
abuse-c:        KRYS5-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         KRYSTAL-MNT
mnt-domains:    KRYSTAL-MNT
mnt-routes:     KRYSTAL-MNT
mnt-routes:     COGENT-ROUTE-MNT
mnt-routes:     MM26510-MNT
notify:         noc@krystal.io
created:        2007-01-15T14:02:50Z
last-modified:  2025-11-23T17:51:07Z
source:         RIPE
geofeed:        https://assets.krystal.io/geofeed.csv
abuse-email:    abuse@krystal.io
abuse-c:        KRYS5-RIPE
abuse-org:      ORG-KSL2-RIPE

organisation:   ORG-KSL2-RIPE
org-name:       Krystal Hosting Ltd
country:        GB
org-type:       LIR
address:        124 City Road
address:        EC1V 2NX
address:        London
address:        UNITED KINGDOM
phone:          +4420 8050 1337
e-mail:         noc@krystal.co.uk
abuse-c:        KRYS5-RIPE
admin-c:        KNOC3-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        KRYSTAL-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         KRYSTAL-MNT
created:        2007-01-09T06:11:04Z
last-modified:  2025-12-15T14:03:14Z
source:         RIPE
abuse-email:    abuse@krystal.io
abuse-c:        KRYS5-RIPE
abuse-org:      undefined

role:           Krystal NOC
address:        124 City Road, London, EC1V 2NX
e-mail:         noc@krystal.io
admin-c:        CS10201-RIPE
admin-c:        AC23456-RIPE
tech-c:         CS10201-RIPE
tech-c:         AC23456-RIPE
abuse-mailbox:  abuse@krystal.io
mnt-by:         KRYSTAL-MNT
nic-hdl:        KNOC3-RIPE
created:        2007-03-12T18:06:09Z
last-modified:  2025-12-15T14:01:12Z
source:         RIPE

route:          77.72.0.0/21
descr:          Krystal Hosting Ltd
origin:         AS12488
mnt-by:         KRYSTAL-MNT
created:        2008-10-20T17:32:02Z
last-modified:  2014-06-11T20:50:33Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 77.72.0.0/16

Range	ASN	Company	Num of IPs
77.72.224.0/21	AS8674	Netnod AB	2,048
77.72.32.0/21	AS34606	B.B.Bell SPA	2,048
77.72.128.0/21	AS197252	Colobridge GmbH	2,048
77.72.144.0/21	AS20857	Signet B.V.	2,048
77.72.192.0/21	AS12835	Trentino Digitale SPA	2,048
77.72.56.0/21	AS42252	Kaapelinetworks Oy	2,048
77.72.96.0/21	AS42303	LM Layer and Mesh AB	2,048
77.72.112.0/21	AS42320	comScore B.V.	2,048
77.72.216.0/21	AS21473	PFALZKOM GmbH	2,048
77.72.168.0/21	AS42416	Comnet Internetional BV	2,048
77.72.64.0/21	AS6730	AT Provider AG	2,048
77.72.8.0/21	AS42215	medien holding:nord gmbh	2,048
77.72.208.0/21	AS42435	Tecnicas Reunidas S.A.	2,048
77.72.40.0/21	AS2259	Universite de Strasbourg	2,048
77.72.88.0/21	AS30781	Free Pro SAS	2,048
77.72.176.0/21	AS48218	HiHo AG	2,048
77.72.120.0/21	AS42339	Chaika Telecom Petersburg Limited Company	2,048
77.72.136.0/21	AS42358	PJSC Rostelecom	2,048
77.72.216.0/22	AS21473	PFALZKOM GmbH	1,024
77.72.48.0/23	AS42236	Itm8 A/S	512
77.72.50.0/23	AS42236	Itm8 A/S	512
77.72.169.0/24	AS42416	Solaris Systems BV	256
77.72.171.0/24	AS42416	Solaris Systems BV	256
77.72.172.0/24	AS42416	Solaris Systems BV	256
77.72.173.0/24	AS42416	Solaris Systems BV	256
77.72.174.0/24	AS42416	Solaris Systems BV	256
77.72.184.0/24	AS42421	Turkiye Finans Katilim Bankasi	256
77.72.185.0/24	AS42421	Turkiye Finans Katilim Bankasi	256
77.72.186.0/24	AS42421	Turkiye Finans Katilim Bankasi	256
77.72.187.0/24	AS42421	Turkiye Finans Katilim Bankasi	256
77.72.188.0/24	AS42421	Turkiye Finans Katilim Bankasi	256
77.72.189.0/24	AS42421	Turkiye Finans Katilim Bankasi A.S	256
77.72.161.0/24	AS47692	FiberLink GmbH	256
77.72.167.0/24	AS47692	FiberLink GmbH	256
77.72.85.0/24	AS62005	BlueVPS OU	256
77.72.83.0/24	AS62240	Amsterdam	256
77.72.84.0/24	AS62240	Washington, D.C.	256
77.72.82.0/24	AS7393	Pilo IP BV	256
77.72.40.0/24	AS781	Universite de Strasbourg	256
77.72.87.0/24	AS60501	Nencini Sport SPA	256
77.72.232.0/24	AS20650	IP NEXIA N.V.	256
77.72.236.0/24	AS20650	Belgacom International Carrier Services SA	256
77.72.237.0/24	AS20650	IP NEXIA N.V.	256
77.72.238.0/24	AS20650	IPNEXIA customers	256
77.72.220.0/24	AS209917	PFALZKOM GmbH	256
77.72.81.0/24	AS395954	Xantho UAB	256
77.72.248.0/24	AS41190	Idea-Telecom, Vosstaniya str 100, Kazan, Russia	256
77.72.249.0/24	AS41190	Idea-Telecom, Vosstaniya str 100, Kazan, Russia	256
77.72.252.0/24	AS41190	Idea-Telecom, Vosstaniya str 100, Kazan, Russia	256

Hosted domains

There are 89,919 domain names hosted across 465 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
77.72.4.110	smiletogether.co.uk	1639
77.72.1.34	thedesignsheppard.com	1465
77.72.4.13	megacanvas.com	1435
77.72.4.15	casp-uk.net	1406
77.72.1.45	rachellondonphotography.co.uk	1291
77.72.1.43	thecollectorscompanion.co.uk	1274
77.72.1.46	emaildiscussions.com	1217
77.72.1.49	owenbweddings.com	1194
77.72.1.52	strengthambassadors.com	1175
77.72.1.44	okde.org	1171
77.72.1.41	dapperstreet.co.uk	1165
77.72.1.51	rhino4x4.co.za	1143
77.72.1.47	campusatnorthallerton.co.uk	1133
77.72.2.82	streacom.com	1119
77.72.1.42	radioproductioncompany.co.uk	1114
77.72.1.50	balloonsupply.co.uk	1104
77.72.1.40	diverseandequal.com	1091
77.72.1.54	larashout.com	1083
77.72.1.48	crcsite.org	1070
77.72.1.53	uefap.com	1037

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

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

IP Address	ASN	Details
77.72.3.31	AS12488 Krystal Hosting Ltd	`0.37ms` from London, GB
77.72.2.252	AS12488 Krystal Hosting Ltd	`0.35ms` from London, GB
77.72.1.61	AS12488 Krystal Hosting Ltd	`0.39ms` from London, GB
77.72.0.198	AS12488 Krystal Hosting Ltd	`0.28ms` from London, GB
77.72.5.187	AS12488 Krystal Hosting Ltd	`0.42ms` from London, GB
77.72.7.123	AS12488 Krystal Hosting Ltd	`0.34ms` from London, GB
77.72.4.60	AS12488 Krystal Hosting Ltd	`0.40ms` from London, GB

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
106.51.66.117	AS24309 Atria Convergence Technologies Pvt. Ltd. Broadband Internet Service Provider INDIA	`1.23ms` from Bengaluru, IN
95.173.199.53	AS60068 Datacamp Limited	`0.08ms` from Bucharest, RO
190.137.253.5	AS7303 Telecom Argentina S.A.	`3.47ms` from Buenos Aires, AR
96.53.31.165	AS6327 Shaw Communications	`1.02ms` from Calgary, CA
34.80.140.181	AS396982 Google LLC	`0.14ms` from Chang-hua, TW
45.95.209.101	AS16509 Amazon.com, Inc.	`0.15ms` from Columbus, US
50.217.86.117	AS7922 Comcast Cable Communications, LLC	`1.25ms` from Denver, US
54.228.48.85	AS16509 Amazon.com, Inc.	`0.21ms` from Dublin, IE
141.78.136.165	AS62336 PURtel.com GmbH	`4.88ms` from Frankfurt am Main, DE
61.153.222.229	AS4134 CHINANET-BACKBONE	`9.99ms` from Hangzhou, CN
221.124.246.69	AS9304 HGC Global Communications Limited	`1.13ms` from Hong Kong, HK
8.130.104.213	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.58ms` from Jining, CN
150.143.78.229	AS6871 Plusnet	`6.25ms` from London, GB
104.237.124.5	AS63394 Eastern Iowa IP, LLC	`9.38ms` from Minneapolis, US
13.208.74.5	AS16509 Amazon.com, Inc.	`0.27ms` from Osaka, JP
122.27.56.85	AS4713 NTT DOCOMO BUSINESS,Inc.	`8.21ms` from Osaka, JP
164.116.190.5	AS10430 Washington State K-20 Telecommunications Network	`4.81ms` from Seattle, US
170.167.11.197	AS11283 Costco, Inc.	`11.28ms` from Seattle, US
13.112.196.229	AS16509 Amazon.com, Inc.	`0.17ms` from Tokyo, JP
220.144.232.149	AS2518 BIGLOBE Inc.	`9.15ms` from Tokyo, JP
102.156.17.245	AS37705 TOPNET	`1.76ms` from Tunis, TN
83.13.91.53	AS5617 Orange Polska Spolka Akcyjna	`2.72ms` from Warsaw, PL
54.210.7.229	AS14618 Amazon.com, Inc.	`0.51ms` from Ashburn, US
134.255.21.245	AS5483 Magyar Telekom Plc.	`6.21ms` from Budapest, HU
40.136.127.197	AS7029 Windstream Communications LLC	`8.14ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 77.72.1.1

traceroute to 77.72.1.1 (77.72.1.1): 64 hops max, 52 byte packets

1 [AS15169] 66.249.94.36 178.079 ms

2 *

3 [AS3223] 5.254.110.70 177.969 ms

4 [AS3223] 5.254.78.94 247.142 ms

5 [AS3223] 5.254.112.185 243.584 ms

6 [AS3223] 5.254.78.210 241.941 ms

7 [AS12488] 77.72.0.242 240.524 ms

8 [AS12488] 77.72.0.173 243.234 ms

9 *

10 [AS12488] 77.72.1.1 243.478 ms

Measurement taken from

IPinfo ProbeNet in Jakarta, ID

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.

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

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales