An Autonomous System Number (ASN) is a unique number assigned to a network in global internet routing. Every provider that participates directly on the internet has its own ASN (e.g. AS15169 for Google).

What are upstreams, peers and prefixes?

Upstreams are transit providers through which an AS reaches the internet. Peers are networks with direct traffic exchange. Prefixes are the IP address ranges the AS announces via BGP.

Where does the ASN data come from?

The data comes from the official RDAP services of the RIRs (RIPE, ARIN, etc.) and from RIPEstat (prefixes and neighbour ASNs).

ASN Lookup – Networks, Upstreams and Prefixes

AS12389

ASN

RIPE NCC

RIR

3224

IPv4 Prefixes

125

IPv6 Prefixes

AS Information

ASNAS12389

NameROSTELECOM-AS

OrganisationPJSC Rostelecom

Country –

RIRRIPE NCC

Allocated01.07.2005

Abuse contactabuse@rt.ru

Network Overview

IPv4 Prefixes3224

IPv6 Prefixes125

Upstreams (Transit)61

Downstreams (Customers)1345

BGP Peers13

AS Path (BGP neighbours)

Upstreams (Transit)

AS12552GlobalConnect (IP-Only)AS1267WIND TRE S.P.A.AS1273Vodafone Group PLC AS12779IT.Gate S.p.A.AS1299Arelion (fka. Telia Carrier)AS13030Init7 (Switzerland) Ltd.+55

AS12389ROSTELECOM-AS

Downstreams (Customers)

AS10010TOKAI Communications Corporation AS10122NETSTAR (SG) PTE. LTD.AS10310Yahoo Holdings Inc.AS12332PJSC Rostelecom AS12380PJSC Rostelecom AS12418Quantum CJSC+1339

Upstreams (Transit) (61)

AS12552GlobalConnect (IP-Only)

AS1267WIND TRE S.P.A.

AS1273Vodafone Group PLC

AS12779IT.Gate S.p.A.

AS1299Arelion (fka. Telia Carrier)

AS13030Init7 (Switzerland) Ltd.

AS13194UAB "Bite Lietuva"

AS137409GSL Networks Pty LTD

AS15412Flag Telecom UK Limited

AS15913Institute for automation and control processes of Far Eastern Branch of RAS

AS16265LeaseWeb Network B.V.

AS174Cogent Communications, LLC

Downstreams (Customers) (100)

AS10010TOKAI Communications Corporation

AS10122NETSTAR (SG) PTE. LTD.

AS10310Yahoo Holdings Inc.

AS12332PJSC Rostelecom

AS12380PJSC Rostelecom

AS12418Quantum CJSC

AS12494OOO "Post ltd"

AS12552GlobalConnect (IP-Only)

AS12578SIA Tet

AS12668LLC "KomTehCentr"

AS1267WIND TRE S.P.A.

AS12683PJSC Rostelecom

AS12713

AS1273Vodafone Group PLC

AS12730

AS12737

AS12779IT.Gate S.p.A.

AS12841

AS12846

AS12958

AS1299Arelion (fka. Telia Carrier)

AS12996

AS13030Init7 (Switzerland) Ltd.

AS13194UAB "Bite Lietuva"

AS137409GSL Networks Pty LTD

AS14907Wikimedia Foundation Inc.

AS15169

AS15370

AS15378

AS15412Flag Telecom UK Limited

AS15913Institute for automation and control processes of Far Eastern Branch of RAS

AS16265LeaseWeb Network B.V.

AS16276

AS16301

AS16509

AS174Cogent Communications, LLC

IPv4 Prefixes (256)

188.18.208.0/20

109.168.184.0/24

212.14.209.0/24

188.133.192.0/18

213.210.73.0/24

176.208.102.0/24

176.208.0.0/21

78.111.252.0/22

88.205.216.0/21

178.234.124.0/22

91.147.60.0/24

5.141.128.0/18

5.141.192.0/22

95.55.192.0/19

5.141.220.0/22

178.71.41.0/24

77.51.88.0/21

178.185.0.0/17

109.225.55.0/24

109.161.62.0/23

178.46.16.0/20

78.156.228.0/24

94.233.239.0/24

5.141.214.0/23

212.106.58.0/24

79.105.116.0/23

93.185.26.0/23

92.100.73.0/24

86.102.174.0/24

212.164.98.0/23

2.60.128.0/19

31.180.192.0/19

87.117.180.0/24

178.234.172.0/22

90.151.248.0/24

77.39.101.0/24

109.168.219.0/24

178.234.92.0/22

77.34.80.0/20

89.109.0.0/24

94.242.154.0/24

89.190.248.0/24

5.141.82.0/23

212.106.35.0/24

78.36.0.0/15

213.24.238.0/24

188.19.32.0/20

5.141.99.0/24

212.164.40.0/21

85.172.167.0/24

95.107.120.0/24

89.248.112.0/20

31.172.214.0/24

79.105.244.0/22

178.68.32.0/19

109.225.56.0/24

178.66.80.0/23

77.82.63.0/24

188.19.80.0/20

83.217.20.0/22

95.106.232.0/21

89.239.128.0/18

188.114.0.0/18

84.42.110.0/24

91.210.252.0/22

178.45.32.0/19

95.191.192.0/18

188.17.200.0/21

37.79.248.0/22

95.179.4.0/22

178.234.68.0/22

94.242.153.0/24

176.208.101.0/24

212.124.14.0/24

83.239.150.0/24

78.81.104.0/21

89.109.48.0/24

94.31.251.0/24

94.31.223.0/24

109.165.120.0/21

178.130.24.0/21

92.124.160.0/24

94.51.176.0/20

80.88.48.0/20

37.79.246.0/24

178.44.104.0/21

178.68.190.0/23

109.161.50.0/23

90.157.89.0/24

95.179.40.0/22

178.68.128.0/17

212.164.30.0/24

176.211.47.0/24

79.105.88.0/23

5.137.192.0/18

95.107.21.0/24

77.40.2.0/23

109.68.172.0/22

94.242.130.0/24

178.46.224.0/19

213.59.215.0/24

85.175.60.0/23

62.105.0.0/19

85.175.56.0/22

213.24.57.0/24

77.39.76.0/24

90.151.128.0/21

95.141.0.0/21

217.116.128.0/24

94.50.32.0/20

5.143.104.0/22

185.169.102.0/23

90.189.199.0/24

79.105.80.0/21

212.106.53.0/24

78.81.128.0/18

94.31.188.0/24

92.124.192.0/19

95.107.16.0/24

31.172.213.0/24

212.164.196.0/22

176.211.114.0/24

90.188.240.0/23

90.188.112.0/21

46.159.128.0/18

80.234.78.0/24

176.208.65.0/24

82.162.0.0/24

5.141.118.0/24

78.36.198.0/23

93.181.232.0/22

87.103.144.0/20

178.34.0.0/18

176.211.40.0/24

109.225.9.0/24

46.63.130.0/23

212.106.33.0/24

37.79.64.0/19

178.46.64.0/20

178.69.128.0/17

78.37.80.0/23

92.101.246.0/23

95.107.127.0/24

178.185.174.0/24

176.119.160.0/19

79.105.168.0/21

92.100.112.0/20

185.27.148.0/24

178.184.0.0/16

86.102.249.0/24

95.189.77.0/24

109.172.68.0/24

89.20.96.0/20

77.51.104.0/21

217.106.32.0/24

95.71.32.0/21

85.172.0.0/14

84.42.8.0/24

46.63.146.0/24

87.253.23.0/24

5.136.16.0/20

85.175.208.0/24

87.103.168.0/22

62.192.224.0/19

46.48.224.0/19

94.31.248.0/23

93.178.112.0/22

90.157.26.0/24

178.35.128.0/21

85.175.231.0/24

176.208.71.0/24

95.107.22.0/24

109.165.80.0/20

109.165.72.0/21

45.93.81.0/24

212.164.39.0/24

77.51.96.0/21

188.128.0.0/17

90.189.124.0/22

90.151.112.0/20

178.47.16.0/20

217.144.171.0/24

5.139.234.0/23

188.18.0.0/20

5.141.87.0/24

178.35.172.0/24

178.35.149.0/24

79.105.165.0/24

5.141.108.0/22

31.47.128.0/20

212.164.184.0/21

5.140.112.0/20

37.79.240.0/22

212.164.232.0/21

212.164.204.0/24

83.239.177.0/24

212.96.192.0/19

212.164.80.0/22

2.17.145.0/24

92.37.208.0/21

90.157.98.0/23

89.250.164.0/23

178.69.32.0/19

46.61.32.0/19

176.209.128.0/17

185.200.168.0/23

90.189.179.0/24

5.140.96.0/23

212.106.48.0/24

90.189.171.0/24

85.93.32.0/24

95.139.144.0/20

91.122.230.0/24

212.26.236.0/24

79.105.144.0/21

188.18.128.0/18

109.168.182.0/24

2.63.241.0/24

95.67.128.0/17

5.139.64.0/19

94.31.139.0/24

31.162.96.0/19

109.225.27.0/24

78.85.30.0/23

85.174.48.0/21

78.81.120.0/23

79.105.224.0/22

194.149.70.0/23

77.39.24.0/24

92.124.128.0/18

5.137.0.0/17

82.208.91.0/24

78.37.16.0/22

85.94.4.0/22

212.106.46.0/24

5.141.12.0/22

91.147.58.0/23

89.248.114.0/23

77.35.88.0/24

5.143.230.0/24

178.234.100.0/22

90.188.0.0/15

109.225.25.0/24

95.32.16.0/20

109.172.24.0/22

89.248.113.0/24

95.139.224.0/21

89.109.44.0/23

84.53.233.0/24

176.208.66.0/24

93.120.192.0/18

77.35.93.0/24

176.208.33.0/24

31.172.208.0/24

5.141.228.0/23

37.1.78.0/24

IPv6 Prefixes (125)

2a00:1e88:4400::/39

2a01:ba80:2100::/40

2a00:b440:20::/46

2a0c:d380::/29

2a00:b440:4a00::/39

2a13:3883::/32

2a00:b440:98::/46

2a02:ad8:5100::/40

2a00:b440::/32

2a00:b440:e00::/39

2a02:ad8:84::/46

2a02:ad8:20::/46

2a02:ad8::/32

2a10:3140::/29

2a02:ad8:1800::/39

2a00:b440:4e00::/39

2a02:ad8:3000::/39

2a02:ad8:4200::/39

2a00:b440:70::/46

2a07:95c0::/29

2a02:ad8:3200::/39

2a02:ad8:4800::/39

2a0f:3d86:11::/48

2a00:b440:88::/46

2a02:ad8:1e00::/39

2a02:ad8:4400::/39

2a02:ad8:1000::/39

2a02:ad8:5000::/40

2a02:ad8:1c00::/39

2a00:1640::/32

2a02:ad8:1a00::/39

2a04:c106::/32

2a02:ad8:2600::/39

2a00:1e88::/32

2a13:2984::/30

2a02:ad8:1400::/39

2a02:ad8:44::/46

2a11:4b40::/32

2a00:1e88:8600::/46

2a02:ad8:8c::/46

2a06:a600::/29

2a02:ad8:60::/46

2a02:ad8:1200::/39

2a00:56c0:1a00::/39

2a00:b440:3400::/39

2a01:620::/32

2a00:b440:4200::/39

2a00:b440:9c::/46

2a00:1e88:4800::/46

2a02:ad8:2000::/39

2a13:3885::/32

2a00:b440:4c00::/39

2a00:b440:74::/46

2a00:56c0:1c00::/40

2a00:b440:4600::/39

2a13:3886::/32

2a02:ad8:54::/46

2a00:62c0::/32

2a00:b440:24::/46

2a00:1e88:4808::/46

2a02:ad8:40::/46

2a00:1e88:4200::/39

2a02:ad8:200::/46

2a00:1e88:480c::/46

2a00:b440:4400::/39

2a00:b440:3600::/39

2a02:ad8:3600::/39

2a13:3884::/32

2a00:b440:4000::/39

2a00:b440:4800::/39

2a00:b440:8c::/46

2a00:1e88:4000::/39

2a02:ad8:5500::/40

2a02:ad8:2400::/39

2a13:8f00::/29

2a00:b440:90::/46

2a00:b440:94::/46

2a02:ad8:3400::/39

2a10:4100::/32

2a00:1e88:8000::/39

2a13:3882::/32

2a13:3880::/32

2a02:ad8:24::/46

2a02:ad8:10c::/46

2a00:56c0::/32

2a02:ad8:108::/46

2a00:1e88:b000::/36

2a02:ad8:30::/46

2a02:ad8:88::/46

2a06:bf40::/29

2a12:1c40::/29

2a00:b440:a0::/46

2a0e:f207::/32

2a02:ad8:4600::/39

2a0d:8f80::/29

2a02:ad8:1600::/39

2a00:b440:a4::/46

2a02:ad8:10::/46

2a02:ad8:4000::/39

2a12:d100::/29

2a13:93c2::/32

2a02:ad8:2200::/39

2a0f:3d83::/32

2a13:3881::/32

2a00:56c0:424::/46

2a13:93c4::/32

2a02:ad8:64::/46

2a02:ad8:104::/46

2a02:ad8:14::/46

2a13:2bc0::/29

2a0e:2440::/29

2a00:1e88:4804::/46

2a00:b440:c00::/39

2a02:ad8:50::/46

2a11:4e80::/29

2a02:ad8:100::/46

2a13:3887::/32

2a00:1e88:4600::/39

2a00:56c0:1600::/39

2a02:ad8:34::/46

2a02:ad8:80::/46

2a01:540::/32

2a00:56c0:1d00::/40

2a00:56c0:2200::/46

2a12:3dc0::/29

BGP Peers (13)

AS14907Wikimedia Foundation Inc.

AS28910"Uzbektelekom" Joint Stock Company

AS28917Fiord Networks, UAB

AS31027GlobalConnect A/S

AS3399Obenet AB

AS36236NetActuate, Inc

AS41722Miran Ltd.

AS48237Etihad Etisalat, a joint stock company

AS49544i3D.net B.V

AS49673Truenetwork LLC

AS52320V.tal (GlobeNet)

AS6667Elisa Oyj

AS8529

My IP ASN Lookup IP Lookup WHOIS DNS Lookup

What is an ASN?

An Autonomous System Number (ASN) is a unique number assigned to a network on the internet. Upstreams are the transit providers through which the AS reaches the internet. Peers are networks with which direct traffic exchange takes place. Prefixes are the IP address ranges that the AS announces to the internet. Data via RIPE NCC RDAP and RIPEstat API.