Autonomous System details

AS21054

Natwest Markets PLC  ·  natwestmarkets.com

United Kingdom

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AS21054 – Natwest Markets PLC

Field Value
Country United Kingdom
Website natwestmarkets.com
Hosted domains 56
IPv4 addresses 65,536
IPv6 addresses 0
ASN type Business
Registry ripe
Allocated 24 years ago on Mar 07, 2002
Updated 6 years ago on Dec 04, 2019

IP Ranges

Netblock Company Num of IPs
155.136.0.0/16 Royal Bank of Scotland 65,536
155.136.0.0/17 Royal Bank of Scotland 32,768
155.136.128.0/17 Royal Bank of Scotland 32,768
155.136.60.0/22 Royal Bank of Scotland 1,024
155.136.200.0/23 Royal Bank of Scotland 512
155.136.202.0/23 Royal Bank of Scotland 512
155.136.60.0/24 Royal Bank of Scotland 256
155.136.61.0/24 Royal Bank of Scotland 256
155.136.62.0/24 Royal Bank of Scotland 256
155.136.63.0/24 Royal Bank of Scotland 256
155.136.144.0/24 Royal Bank of Scotland 256
155.136.146.0/24 Royal Bank of Scotland 256
155.136.197.0/24 Royal Bank of Scotland 256
155.136.202.0/24 Royal Bank of Scotland 256
155.136.203.0/24 Royal Bank of Scotland 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS21054
                                                OrgID:          AS21054
                                                ASName:         AS21054
                                                ASNumber:       AS21054
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 56 domain names hosted across 24 IP addresses on this ASN.

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IP Address Domain Domains on this IP
155.136.80.236 ██████████ 17
155.136.17.199 ██████████ 14
155.136.80.223 ██████████ 3
155.136.70.71 ██████████ 3
155.136.202.12 ██████████ 2
155.136.22.27 ██████████ 2
155.136.80.222 ██████████ 1
155.136.202.25 ██████████ 1
155.136.72.98 ██████████ 1
155.136.80.230 ██████████ 1

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Peers

There are 3 peers for this ASN.

Peers Name
AS1273 Vodafone Group PLC
AS2856 British Telecommunications PLC
AS32787 Akamai Technologies, Inc.
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ASN API & Database

Upstreams

There are 3 upstreams for this ASN.

upstreams Name
AS1273 Vodafone Group PLC
AS2856 British Telecommunications PLC
AS32787 Akamai Technologies, Inc.
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
155.136.23.135 AS21054 Natwest Markets PLC 13.76ms from London, GB
155.136.153.13 AS21054 Natwest Markets PLC 12.70ms from London, GB
155.136.17.40 AS21054 Natwest Markets PLC 12.90ms from London, GB
155.136.203.217 AS21054 Natwest Markets PLC 10.45ms from London, GB
155.136.202.25 AS21054 Natwest Markets PLC 10.64ms from Erith, GB
155.136.60.42 AS21054 Natwest Markets PLC 10.27ms from London, GB
155.136.22.132 AS21054 Natwest Markets PLC 13.26ms from London, GB
155.136.197.73 AS21054 Natwest Markets PLC 10.78ms from London, GB
155.136.154.87 AS21054 Natwest Markets PLC 12.76ms from London, GB
155.136.62.5 AS21054 Natwest Markets PLC 10.78ms 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
139.216.243.46 AS9443 Vocus Retail 2.20ms from Adelaide, AU
108.246.194.206 AS7018 AT&T Enterprises, LLC 8.10ms from Atlanta, US
185.235.59.30 AS205741 mitteldeutsche IT GmbH 6.36ms from Berlin, DE
139.13.218.254 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 16.27ms from Berlin, DE
191.111.227.190 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 8.69ms from Bogota, CO
76.182.176.30 AS11426 Charter Communications Inc 15.07ms from Charlotte, US
138.87.14.30 AS7386 Illinois State University 5.52ms from Chicago, US
87.190.5.142 AS3320 Deutsche Telekom AG 0.58ms from Hamburg, DE
78.180.241.30 AS9121 Turk Telekomunikasyon Anonim Sirketi 3.85ms from Istanbul, TR
196.30.158.190 AS16637 MTN SA 1.15ms from Johannesburg, ZA
175.141.29.254 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 1.60ms from Kuala Lumpur, MY
187.150.122.30 AS8151 UNINET 12.42ms from Miami, US
93.109.64.158 AS6866 Cyprus Telecommunications Authority 1.96ms from Nicosia, CY
46.180.166.142 AS39927 E-Light-Telecom Ltd. 9.05ms from Novosibirsk, RU
15.204.91.174 AS16276 OVH SAS 0.40ms from Portland, US
136.248.182.158 AS54253 Oracle Corporation 1.44ms from San Jose, US
179.174.62.254 AS27699 TELEFÔNICA BRASIL S.A 1.69ms from Sao Paulo, BR
82.99.44.14 AS12552 GlobalConnect AB 0.30ms from Stockholm, SE
39.1.15.254 AS9922 New Kaohsiung Broadband LTD. 5.37ms from Taipei, TW
13.158.9.254 AS16509 Amazon.com, Inc. 1.13ms from Tokyo, JP
118.236.207.78 AS2527 Sony Network Communications Inc. 2.35ms from Tokyo, JP
5.143.91.30 AS12389 PJSC Rostelecom 1.20ms from Vladivostok, RU
213.242.212.62 AS3253 PJSC Vimpelcom 0.87ms from Yekaterinburg, RU
120.15.8.46 AS4837 CHINA UNICOM China169 Backbone 13.67ms from Beijing, CN
2.205.202.30 AS3209 Vodafone GmbH 6.11ms from Berlin, DE

Traceroute

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

$
traceroute -a -n -q1 -f4 -m8 155.136.105.67
traceroute to 155.136.105.67 (155.136.105.67): 8 hops max, 52 byte packets
4 [] 194.68.128.70 11.419 ms
5 [AS32787] 2.21.118.41 11.223 ms
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in Copenhagen, DK
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS21054 at robtex.

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