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Autonomous System

AS12703 · Pulsant (Scotland) Ltd

Overview

AS12703 is announced on the Internet: RIPE RIS route collectors currently see 60 IPv4 prefixes and 7 IPv6 prefixes originated by this network. Together, its IPv4 prefixes cover 180,224 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 61 upstream neighbours (transit providers or peers) and 27 downstream neighbours (customers or networks it carries). Its most visible upstreams are Zayo Bandwidth (AS6461), GTT Communications Inc. (AS3257), and Hurricane Electric LLC (AS6939). AS12703 was assigned by RIPE NCC, and its registration country is United Kingdom.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 17, 2026 at 4:12 AM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 46.236.0.1, the first address of 46.236.0.0/18. An address picked inside a prefix may not answer (nothing listens there, or the network filters probes): the trace then shows the path up to the last network that replies.

Announced prefixes

IPv4 prefixes (60 prefixes)

PrefixAddresses
5.10.16.0/204,096
5.153.64.0/198,192
5.172.152.0/212,048
31.15.104.0/212,048
31.47.216.0/212,048
31.207.43.0/24256
31.210.232.0/212,048
46.23.224.0/212,048
46.236.0.0/1816,384
46.249.192.0/198,192
81.29.64.0/198,192
82.113.160.0/198,192
83.136.3.0/24256
83.136.6.0/24256
83.136.64.0/212,048
84.19.224.0/198,192
84.45.15.0/24256
87.246.64.0/1816,384
89.150.51.0/24256
89.151.64.0/1816,384
91.198.3.0/24256
91.198.99.0/24256
91.209.178.0/24256
91.239.73.0/24256
93.94.72.0/212,048
116.68.184.0/212,048
178.236.144.0/204,096
185.8.111.0/24256
185.29.44.0/24256
185.29.224.0/24256
185.29.225.0/24256
185.38.104.0/221,024
185.43.48.0/221,024
185.43.76.0/221,024
185.59.60.0/24256
185.59.62.0/24256
185.59.63.0/24256
185.64.88.0/221,024
185.68.112.0/23512
185.68.114.0/23512
185.71.100.0/221,024
185.71.184.0/221,024
185.94.184.0/221,024
185.153.100.0/221,024
185.174.224.0/24256
185.246.51.0/24256
193.29.223.0/24256
193.33.109.0/24256
194.164.114.0/24256
194.176.64.0/198,192
195.47.244.0/24256
195.68.228.0/23512
195.78.94.0/23512
195.97.192.0/1816,384
195.248.70.0/24256
212.20.224.0/198,192
213.131.96.0/198,192
217.22.144.0/204,096
217.30.112.0/204,096
217.171.111.0/24256

IPv6 prefixes (7 prefixes)

Prefix
2001:4dc0::/32
2a00:85a0::/32
2a01:5ae0::/32
2a01:6ca0::/32
2a02:16e0::/32
2a02:16f8::/32
2a02:2b38::/32

Neighbours

Upstreams (transit or peers) (61)

ASNetworkVisibility
AS6461Zayo Bandwidth2,460
AS3257GTT Communications Inc.1,831
AS6939Hurricane Electric LLC901
AS174Cogent Communications, LLC285
AS34549meerfarbig GmbH & Co. KG109
AS25091IP-Max SA108
AS5405Inter.link GmbH84
AS9002RETN Limited84
AS8298IPng Networks GmbH67
AS34927iFog GmbH66
AS50304Blix Solutions AS59
AS29075IELO-LIAZO SERVICES SAS58
AS35280F5 Networks SARL56
AS1103-50
AS13030Init7 (Switzerland) Ltd.47
AS48362Stadtwerke Feldkirch46
AS34177Celeste SAS45
AS37497Network Platforms (PTY) LTD45
AS14840BR.Digital Telecom44
AS12779IT.Gate S.p.A.42
AS3214-39
AS7195EDGEUNO S.A.S39
AS15958CETIN Ltd. Belgrade23
AS286GTT Communications Inc.22
AS4455IX Reach Ltd22
AS6797-22
AS37100SEACOM Limited22
AS55850Mercury NZ Limited22
AS6204INTERKVM HOST SRL21
AS6663Euroweb Romania S.R.L.21

The 30 most visible of 61.

Downstreams (customers) (27)

ASNetworkVisibility
AS60610Amito Ltd1,003
AS42332EKCO LONDON LIMITED748
AS201471Bigstep Cloud Limited384
AS43081World News PTE. LTD373
AS48686oRe Networks Limited372
AS202212DWebs Ltd371
AS206681Ivista Limited371
AS39208IPILimited I.P. Integration Limited345
AS41489Watchfront Limited272
AS210282Frontier Technology Limited272
AS35259-271
AS205599-271
AS8161-270
AS207194-270
AS203128-267
AS20712-261
AS206312-259
AS42689-218
AS41203-155
AS51845-137
AS204598-97
AS16645-53
AS65006-21
AS398462-9
AS4455IX Reach Ltd7
AS16276OVH SAS4
AS174Cogent Communications, LLC1

80 more neighbours appear on both sides of this network depending on the path, so they are counted in neither list.

Visibility is RIPEstat's count of how often the route collectors observed the link. It compares neighbours with each other; it is not a traffic volume.

How to read this page

An Autonomous System (AS) is a network run under one routing policy: an internet provider, a cloud, a content network, a university. Each one has a number, its ASN, assigned by a regional registry (ARIN, RIPE NCC, APNIC, LACNIC, AFRINIC), and uses BGP, the protocol networks use to tell each other where addresses are, to announce the blocks of addresses it delivers to.

A prefix such as 203.0.113.0/24 is a block of addresses: the number after the slash says how many bits are fixed, so a /24 holds 256 IPv4 addresses and a /16 holds 65,536. Networks often announce a large block and smaller pieces of it at the same time, which is why the address total counts each address once.

Neighbours come from the paths themselves. A network that appears just before this one in a path, on the collector's side, is an upstream: a transit provider or a peer. One that appears just after it is a downstream, usually a customer. Peering at an internet exchange also shows up as an upstream, so the upstream list is not a list of paid transit.

The data comes from RIPEstat, run by the RIPE NCC, which gathers the routing tables of hundreds of networks through its RIS route collectors. This page reads it when it is visited and keeps it for 12 hours at most; the BGP viewer reads it live.

Frequently asked questions

How do I find the ASN of an IP address?
Type the address in the BGP viewer: it shows the prefix that covers it, the AS that originates that prefix and the paths seen towards it. A traceroute also names the network of each hop, so you can see every AS a connection crosses.
Why does one company have several ASNs?
Large operators split their network by region, by activity or by history: a cloud may use one number for its backbone and another for a region, and every acquisition brings its own numbers. Each number has its own page, with its own prefixes and neighbours.
Why do prefix counts differ from one site to another?
Each source sees the routing table from different collectors, at a different time, and counts differently: some include prefixes withdrawn in recent weeks, some merge a block and its pieces. This page counts the prefixes RIPE RIS collectors see originated by the network at the end of the latest two-week window, and counts each IPv4 address once.
Is this the list of IP ranges of a cloud provider?
It is what its networks announce, which is what the Internet routes to them. Many providers also publish an official list of ranges per service and region; that list is the reference for firewall rules, because a range can be announced before it is used, or announced by another of their AS numbers.