1. All IP Ranges
  2. 147.0.0.0/8
  3. 147.152.0.0/16
  4. AS2856  | 147.152.0.0/16

147.152.0.0/16

AS2856  ·  British Telecommunications PLC

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Summary

Country United Kingdom
Domain bt.com
ASN AS2856
Registry RIPE
ID BT

WHOIS Details

inetnum:        147.147.0.0 - 147.152.255.255
netname:        BT
descr:          British Telecommunications plc
descr:          BT Centre 81 Newgate St
descr:          London, 7AJ
country:        GB
org:            ORG-BT4-RIPE
admin-c:        BCER1-RIPE
admin-c:        BTCR1-RIPE
tech-c:         BTCR3-RIPE
status:         LEGACY
mnt-by:         BTENT-MNT
mnt-lower:      BTENT-MNT
mnt-routes:     BTENT-MNT
created:        2012-01-18T09:29:28Z
last-modified:  2015-12-08T15:02:45Z
source:         RIPE
abuse-email:    protect@bt.com
abuse-c:        BTCR3-RIPE
abuse-org:      ORG-BT4-RIPE

organisation:   ORG-BT4-RIPE
org-name:       British Telecommunications PLC
country:        GB
org-type:       LIR
address:        pp HWJ380, PO Box 78961 1 Braham Street
address:        E1W 9TD
address:        London
address:        UNITED KINGDOM
phone:          +44 3316 260934
e-mail:         ip.manager@bt.com
admin-c:        BTCR1-RIPE
admin-c:        MS35380-RIPE
mnt-ref:        BTENT-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         BTENT-MNT
abuse-c:        BTCR3-RIPE
created:        2004-04-17T12:11:54Z
last-modified:  2025-06-19T11:44:33Z
source:         RIPE
abuse-email:    protect@bt.com
abuse-c:        BTCR3-RIPE
abuse-org:      undefined

role:           BT Corporate Registry
address:        British Telecommunications
address:        81 Newgate Street
address:        London GB
e-mail:         zzdnsr@bt.com
admin-c:        BCER1-RIPE
admin-c:        MS35380-RIPE
tech-c:         BCER1-RIPE
tech-c:         MS35380-RIPE
nic-hdl:        BTCR1-RIPE
abuse-mailbox:  protect@bt.com
mnt-by:         BTENT-MNT
created:        2002-03-22T09:16:45Z
last-modified:  2025-03-21T10:14:06Z
source:         RIPE

role:           BT Corporate Registry
address:        British Telecommunications
address:        81 Newgate Street
address:        London GB
remarks:        central contact point for BT Corporate data networks
e-mail:         protect@bt.com
admin-c:        BCER1-RIPE
admin-c:        MS35380-RIPE
tech-c:         BCER1-RIPE
nic-hdl:        BTCR3-RIPE
abuse-mailbox:  protect@bt.com
mnt-by:         BTENT-MNT
created:        2002-03-22T09:22:53Z
last-modified:  2025-03-21T10:06:51Z
source:         RIPE

person:         BT Computer Emergency Response Team
address:        PP L16
address:        Pheonix House
address:        202 Elder Gate
address:        Milton Keynes
address:        Buckinghamshire
address:        MK9 1BE
phone:          +44 1908 609 271
fax-no:         +44 1908 230 343
e-mail:         protect@bt.com
nic-hdl:        BCER1-RIPE
remarks:        BT Security Computer Emergency Response Team
mnt-by:         BTENT-MNT
created:        2001-11-08T10:50:29Z
last-modified:  2013-03-28T12:32:05Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 147.0.0.0/8

Range ASN Company Num of IPs
147.177.0.0/16 AS243 L3Harris Technologies, Inc. 65,536
147.94.0.0/16 AS2457 Aix-Marseille Universite (AMU) 65,536
147.210.0.0/16 AS2202 Universite de Bordeaux - DSI 65,536
147.134.0.0/16 AS22773 Creighton University 65,536
147.196.0.0/16 AS199541 Eurocontrol Experimental Centre 65,536
147.215.0.0/16 AS2439 ESIEE Paris, ecole-membre de l'Universite Gustave Eiffel 65,536
147.173.0.0/16 AS1942 C.N.R.S. - Delegation regionale Alpes 65,536
147.137.0.0/16 AS20214 Telematics International 65,536
147.99.0.0/16 AS2200 INRAE 65,536
147.250.0.0/16 AS2200 ENSTA Paristech - Ecole Nationale Superieure des Techniques Avancees 65,536
147.209.0.0/16 AS17750 ENERGEX LIMITED 65,536
147.171.0.0/16 AS1942 Universite Grenoble Alpes 65,536
147.111.0.0/16 AS199791 Postboks 237 65,536
147.87.0.0/16 AS200233 Berner Fachhochschule 65,536
147.118.0.0/16 AS10370 Northwest Aerospace Training Corporation 65,536
147.2.0.0/16 AS16509 Amazon.com, Inc. 65,536
147.112.0.0/16 AS1770 NO-RINGSTAD 65,536
147.115.0.0/16 AS16509 Amazon.com, Inc. 65,536
147.13.0.0/16 AS197425 Saab AB 65,536
147.80.0.0/16 AS1761 Texas Department of Human Resources 65,536
147.70.0.0/16 AS19899 Miami Dade College 65,536
147.100.0.0/16 AS2200 INRAE 65,536
147.108.0.0/16 AS16509 Amazon.com, Inc. 65,536
147.44.0.0/16 AS1759 StoraEnso Oyj 65,536
147.26.0.0/16 AS18777 Texas State University 65,536
147.222.0.0/16 AS11649 Gonzaga University 65,536
147.180.0.0/16 AS19399 Region Stockholm 65,536
147.73.0.0/16 AS1207 Pittsburgh Supercomputing Center 65,536
147.127.0.0/16 AS1715 Ecole Nationale Superieure d'Electronique, d'Electrotechnique, 65,536
147.252.0.0/16 AS1213 Metropolitan Area Network 65,536
147.69.0.0/16 AS1221 Telstra Limited 65,536
147.47.0.0/16 AS1237 Seoul National University 65,536
147.122.0.0/16 AS137 SS - SISSA Trieste 65,536
147.35.0.0/16 AS1580 Headquarters, USAISC 65,536
147.83.0.0/16 AS13041 Universitat Politecnica de Catalunya 65,536
147.91.0.0/16 AS13092 Akademska mreza Republike Srbije - AMRES 65,536
147.211.0.0/16 AS132029 Department of Finance and Deregulation 65,536
147.153.0.0/16 AS14041 Metropolitan State University of Denver 65,536
147.205.0.0/16 AS16509 Amazon.com, Inc. 65,536
147.11.0.0/16 AS16920 Wind River Systems, Inc. 65,536
147.176.0.0/16 AS14398 Autodesk Ltd. Japan 65,536
147.128.0.0/16 AS158 Ericsson Inc. 65,536
147.194.0.0/16 AS15128 Comwave Telecom Inc. 65,536
147.36.0.0/16 AS1559 Headquarters, USAISC 65,536
147.238.0.0/16 AS1540 Headquarters, USAISC 65,536
147.34.0.0/16 AS13541 Siemens Industry Software Inc. 65,536
147.10.0.0/16 AS135887 Telstra Limited 65,536
147.0.0.0/16 AS10796 Charter Communications Inc 65,536
147.203.0.0/16 AS11320 ALPHAREL/optigraphics Corporation 65,536
147.99.0.0/16 AS2471 INRAE 65,536

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
147.152.33.3 montrose-environmental.com 1

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.
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Pingable IPs

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

IP Address ASN Details
147.152.18.200 AS2856 British Telecommunications PLC 6.19ms from London, GB
147.152.17.17 AS2856 British Telecommunications PLC 4.11ms from London, GB
147.152.35.98 AS2856 British Telecommunications PLC 1.37ms 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
186.16.240.48 AS23201 Telecel S.A. 1.12ms from Asuncion, PY
94.189.147.0 AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o. 5.92ms from Belgrade, RS
75.118.30.112 AS11776 Breezeline 13.18ms from Chicago, US
117.219.139.0 AS9829 National Internet Backbone 12.72ms from Delhi, IN
52.158.126.64 AS8075 Microsoft Corporation 0.13ms from Dublin, IE
81.243.244.32 AS5432 Proximus NV 4.79ms from Gravelines, FR
113.104.238.160 AS4134 CHINANET-BACKBONE 1.35ms from Guangzhou, CN
68.122.102.48 AS7018 AT&T Enterprises, LLC 2.16ms from Los Angeles, US
220.176.118.176 AS4134 CHINANET-BACKBONE 2.30ms from Nanchang, CN
66.202.30.32 AS7029 Windstream Communications LLC 5.83ms from New York City, US
177.86.152.0 AS271639 HOME ON TELECOMUNICACOES LTDA 1.03ms from Osasco, BR
130.231.59.240 AS1741 CSC - Tieteen tietotekniikan keskus Oy 0.89ms from Oulu, FI
77.233.221.144 AS9123 JSC "TIMEWEB" 0.71ms from Saint Petersburg, RU
172.255.114.224 AS7203 Leaseweb USA, Inc. 12.69ms from San Jose, US
201.69.233.192 AS27699 TELEFÔNICA BRASIL S.A 2.31ms from Sao Paulo, BR
14.40.194.112 AS4766 Korea Telecom 3.10ms from Seoul, KR
52.196.46.176 AS16509 Amazon.com, Inc. 0.20ms from Tokyo, JP
62.250.42.96 AS50266 Odido Netherlands B.V. 5.22ms from Amsterdam, NL
184.2.91.128 AS19901 Brightspeed 6.66ms from Ashburn, US
20.42.60.48 AS8075 Microsoft Corporation 0.47ms from Ashburn, US
24.62.100.224 AS7922 Comcast Cable Communications, LLC 9.93ms from Boston, US
138.94.179.224 AS273683 ALLREDE TELECOM LTDA 1.52ms from Brasilia, BR
75.87.153.240 AS11427 Charter Communications Inc 17.30ms from Dallas, US
89.240.161.160 AS13285 TalkTalk Communications Limited 7.75ms from London, GB
38.106.4.192 AS174 Cogent Communications, LLC 0.73ms 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 -m5 147.152.6.86
traceroute to 147.152.6.86 (147.152.6.86): 5 hops max, 52 byte packets
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in London, GB
On

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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