81.2.136.0/24

AS213671 · Vision Fibre Media LTD

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Summary

Country	United Kingdom
Domain	4thutility.co.uk
ASN	AS213671
Parent Range	81.2.128.0/18
Registry	RWHOIS
ID	NET4-5102880018

WHOIS Details

No whois details available for this network

Overlapping Ranges

BGP prefixes that contain 81.2.136.0/24

Range	ASN	Company	Num of IPs
81.2.128.0/18	AS174	Cogent Communications Group LLC	16,384

Nearby Ranges

BGP prefixes that overlap with 81.2.0.0/16

Range	ASN	Company	Num of IPs
81.2.0.0/18	AS12332	PJSC Rostelecom	16,384
81.2.128.0/18	AS174	Cogent Communications Group LLC	16,384
81.2.192.0/18	AS24806	INTERNET CZ, a.s.	16,384
81.2.64.0/18	AS20712	Andrews & Arnold Ltd	16,384
81.2.152.0/21	AS48945	Independent Fibre Networks	2,048
81.2.176.0/21	AS48945	Independent Fibre Networks	2,048
81.2.56.0/21	AS12389	Dynamic Broadband Clients. Spassk	2,048
81.2.144.0/22	AS208905	EXELERA TELECOM LTD	1,024
81.2.132.0/22	AS203591	TECNO GENERAL S.R.L	1,024
81.2.142.0/23	AS198545	Cogent Communications Group LLC	512
81.2.150.0/23	AS198545	Cogent Communications Group LLC	512
81.2.190.0/24	AS205520	XTB-COGENT	256
81.2.187.0/24	AS209784	WIFISAX GmbH	256
81.2.149.0/24	AS174	Netspark LTD	256
81.2.187.0/24	AS209784	WIFISAX GmbH	256
81.2.130.0/24	AS174	NICTECH P C	256
81.2.128.0/24	AS19970	CarrierDomain Inc	256
81.2.191.0/24	AS200736	MEDIANET INVEST M.I.K.E	256
81.2.148.0/24	AS201042	SD1-Telecom	256
81.2.138.0/24	AS213671	4TH UTILITY HOLDINGS LIMITED	256
81.2.137.0/24	AS213671	4TH UTILITY HOLDINGS LIMITED	256
81.2.141.0/24	AS213671	4TH UTILITY HOLDINGS LIMITED	256
81.2.139.0/24	AS213671	4TH UTILITY HOLDINGS LIMITED	256
81.2.184.0/24	AS208855	AYWIFI TELEKOMUNIKASYON SANAYI TICARET LIMITED SIRKETI	256
81.2.140.0/24	AS213671	4TH UTILITY HOLDINGS LIMITED	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
83.110.205.40	AS5384 Emirates Internet	`3.00ms` from Al Fujairah City, AE
108.205.63.72	AS7018 AT&T Enterprises, LLC	`11.52ms` from Atlanta, US
87.122.67.72	AS8881 1&1 Versatel GmbH	`9.19ms` from Berlin, DE
212.166.45.120	AS9208 WIN S.A.	`0.94ms` from Brussels, BE
172.183.180.88	AS8075 Microsoft Corporation	`0.17ms` from Chicago, US
34.45.140.104	AS396982 Google LLC	`0.13ms` from Council Bluffs, US
87.156.35.40	AS3320 Deutsche Telekom AG	`4.95ms` from Frankfurt am Main, DE
84.248.44.72	AS1759 Telia Finland Oyj	`8.80ms` from Helsinki, FI
186.210.217.120	AS53006 ALGAR TELECOM S/A	`12.72ms` from Joao Pessoa, BR
81.158.239.40	AS2856 British Telecommunications PLC	`10.59ms` from London, GB
75.237.106.40	AS6167 Verizon Business	`17.20ms` from Los Angeles, US
189.152.215.72	AS8151 UNINET	`1.78ms` from Monterrey, MX
114.66.48.120	AS136188 NINGBO, ZHEJIANG Province, P.R.China.	`0.26ms` from Ningbo, CN
44.195.91.88	AS14618 Amazon.com, Inc.	`0.18ms` from Reston, US
200.223.88.152	AS7738 V tal	`7.72ms` from Rio de Janeiro, BR
98.238.217.120	AS7922 Comcast Cable Communications, LLC	`12.00ms` from San Jose, US
201.63.161.8	AS10429 TELEFÔNICA BRASIL S.A	`0.54ms` from Sao Paulo, BR
32.210.183.88	AS46690 Southern New England Telephone Company and SNET America, Inc.	`9.37ms` from Secaucus, US
35.84.245.104	AS16509 Amazon.com, Inc.	`0.14ms` from Boardman, US
44.232.189.168	AS16509 Amazon.com, Inc.	`0.36ms` from Boardman, US
193.190.62.8	AS2611 BELNET	`2.31ms` from Brussels, BE
34.72.142.120	AS396982 Google LLC	`0.15ms` from Council Bluffs, US
68.55.59.136	AS7922 Comcast Cable Communications, LLC	`5.87ms` from Flint, US
154.9.231.184	AS979 NetLab Global	`0.66ms` from Hong Kong, HK
31.166.186.120	AS35819 Etihad Etisalat, a joint stock company	`4.87ms` from Jeddah, SA

Traceroute

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

traceroute -a -n -q1 -m6 81.2.136.134

traceroute to 81.2.136.134 (81.2.136.134): 6 hops max, 52 byte packets

1 [AS263175] 186.2.246.129 0.347 ms

2 *

3 [AS263175] 186.2.247.236 0.379 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Cayenne, GF

On April 24th 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.

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