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AS2603

NORDUNET

NORDUnet

Registry

Authoritative registration data

AS number
2603
Name
NORDUNET
Organisation
NORDUnet
Country
—
RIR
RIPE
Registered
Source:asn:rdap retrieved

IPv4 prefixes

10

IPv6 prefixes

2

Total announced

12

Announced prefixes

Observed in BGP by route collectors, not a registry allocation list

Prefixes announced by AS2603
109.105.96.0/20 IPv4 /20 not checked
109.105.112.0/21 IPv4 /21 not checked
109.105.120.0/22 IPv4 /22 not checked
185.174.116.0/22 IPv4 /22 not checked
192.36.171.0/24 IPv4 /24 RPKI not found
193.10.252.0/24 IPv4 /24 RPKI valid
193.10.254.0/24 IPv4 /24 not checked
193.10.255.0/24 IPv4 /24 RPKI valid
193.11.3.0/24 IPv4 /24 RPKI valid
194.68.13.0/24 IPv4 /24 not checked
2001:948::/29 IPv6 /29 RPKI valid
2001:948::/32 IPv6 /32 RPKI valid

No rows match “”.

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Source:ripestat:announced-prefixes observed

Internet Exchanges

Exchanges where this network has a listed peering LAN connection

Internet Exchange memberships listed for AS2603
Address families
AMS-IX 100,000 Mbps IPv4 · IPv6
Asteroid Amsterdam: Asteroid Amsterdam Peering LAN 10,000 Mbps IPv4 · IPv6
CIXP 10,000 Mbps IPv4 · IPv6
DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN 20,000 Mbps IPv4 · IPv6
DIX: DIX LAN 20,000 Mbps IPv4 · IPv6
Equinix Ashburn 10,000 Mbps IPv4 · IPv6
Equinix Chicago 10,000 Mbps IPv4 · IPv6
FICIX 1 (Espoo): IPv4+IPv6 MTU 1500 10,000 Mbps IPv4 · IPv6
FICIX 2 (Helsinki): IPv4+IPv6 MTU 1500 10,000 Mbps IPv4 · IPv6
HKIX: HKIX Peering LAN 10,000 Mbps IPv4 · IPv6
INEX LAN1: INEX LAN1 10,000 Mbps IPv4 · IPv6
JPIX TOKYO 10,000 Mbps IPv4 · IPv6
LINX LON1: Main 20,000 Mbps IPv4 · IPv6
LONAP: LON0 10,000 Mbps IPv4 · IPv6
MegaIX Frankfurt 10,000 Mbps IPv4 · IPv6
MegaIX Hamburg 10,000 Mbps IPv4 · IPv6
NIX1 100,000 Mbps IPv4 · IPv6
NL-ix: Main 10,000 Mbps IPv4 · IPv6
NYIIX New York 10,000 Mbps IPv4 · IPv6
Netnod Copenhagen BLUE -- MTU9K: 9K-BLUE 10,000 Mbps IPv4 · IPv6
Netnod Copenhagen GREEN -- MTU9K: 9K-GREEN 10,000 Mbps IPv4 · IPv6
Netnod Stockholm BLUE -- MTU1500: STH-B -- MTU1500 10,000 Mbps IPv4 · IPv6
Netnod Stockholm BLUE -- MTU4470: STH-B -- MTU4470 10,000 Mbps IPv4 · IPv6
Netnod Stockholm GREEN -- MTU1500: STH-A -- MTU1500 10,000 Mbps IPv4 · IPv6
Netnod Stockholm GREEN -- MTU4470: STH-A -- MTU4470 10,000 Mbps IPv4 · IPv6
RIX 10,000 Mbps IPv4 · IPv6
SGIX: Peering LAN 10,000 Mbps IPv4 · IPv6
SONIX Stockholm 100,000 Mbps IPv4 · IPv6
STHIX - Copenhagen: CPH Peering 10,000 Mbps IPv4 · IPv6
STHIX - Stockholm: STH Peering 40,000 Mbps IPv4 · IPv6
TREX Tampere: Unicast Peering 10,000 Mbps IPv4 · IPv6

No rows match “”.

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Source:peeringdb retrieved

Exchange membership means the network has a listed connection; it does not prove peering with other members.

Observed adjacencies

Networks seen next to AS2603 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

78 networks seen before AS2603 in AS paths

Observed upstreams
Families
AS1299 TWELVE99 2,802 13,432
v4 v6
AS6762 SEABONE-NET 2,070 9,284
v4 v6
AS34549 MEER-AS 1,314 6,100
v4 v6
AS48362 TKSWF-AS 697 6,012
v4 v6
AS3491 PCCWG-APAC-HK 1,043 5,933
v4 v6
AS25091 IP-Max 639 5,526
v4 v6
AS12779 ITGATE 333 5,299
v4 v6
AS6939 HURRICANE 1,637 4,875
v4 v6
AS6777 AMS-IX-RS 1,122 4,228
v4 v6
AS6461 ZAYO-6461 663 4,079
v4 v6
AS9002 RETN-AS 694 3,357
v4 v6
AS8218 NEO-ASN 177 2,640
v4 v6
AS34019 HIVANE 543 2,635
v4 v6
AS20764 RASCOM-AS 528 2,440
v4 v6
AS34177 CELESTE-AS 575 2,435
v4 v6
AS21320 GEANT_IAS_VRF 493 2,390
v4 v6
AS61049 EXASCALE 549 2,383
v4 v6
AS50304 BLIX 641 2,212
v4 v6
AS13030 INIT7 309 2,196
v4 v6
AS41327 FIBERTELECOM-AS 444 1,925
v4 v6
AS1836 GREEN 284 1,829
v4 v6
AS35280 F5 373 1,815
v4 v6
AS6730 SUNRISE 404 1,807
v4 v6
AS4635 HKIX-RS1 579 1,756
v4 v6
AS50629 LWLCOM 421 1,705
v4
AS2497 IIJ 287 1,596
v4 v6
AS28716 RETELIT-AS 359 1,593
v4 v6
AS42708 GLESYS 331 1,552
v4 v6
AS33891 CORE-BACKBONE 343 1,447
v4 v6
AS6696 VERIXI 322 1,374
v4
AS29075 IELO 334 1,333
v4 v6
AS1267 ASN-WINDTRE 275 1,290
v4
AS56655 GIGAHOST 283 1,183
v4 v6
AS6830 LibertyGlobal 230 993
v4 v6
AS37468 ORG-AC4-AFRINIC 255 937
v4 v6
AS37100 ORG-SL75-AFRINIC 226 880
v4
AS24961 MYLOC-AS 235 870
v4 v6
AS8896 XFIBER-AS 208 709
v4 v6
AS1764 NEXTLAYER-AS 118 707
v4 v6
AS2914 NTT-DATA-2914 400 702
v6
AS20562 OPEN-PEERING-AS 90 698
v4 v6
AS1273 CW 198 675
v4 v6
AS2516 KDDI 150 610
v4 v6
AS4230 ASN4230 153 599
v4 v6
AS3303 SWISSCOM 119 590
v4 v6
AS15412 FLAG-AS 159 580
v4
AS9044 SOLNET 100 573
v4 v6
AS11537 INTERNET2-RESEARCH-EDU 151 434
v4 v6
AS3741 ORG-DD1-AFRINIC 119 390
v4
AS8220 COLT 101 373
v4 v6
AS6204 ZET-NET 108 371
v4
AS30781 JAGUAR-AS 94 362
v4 v6
AS1103 SURFNET-NL 89 360
v4 v6
AS20965 GEANT 76 306
v4 v6
AS20473 AS-VULTR 186 229
v6
AS7575 AARNET-AS-AP 56 226
v4 v6
AS60171 AFRIX-AS 44 209
v4
AS12389 ROSTELECOM-AS 68 197
v4
AS6663 TTI-NET 30 109
v4
AS13194 BITE 20 89
v4
AS56911 ASN-WARIAN 20 63
v4
AS8434 TELENOR-SE 33 53
v4
AS9498 BBIL-AP 11 39
v4
AS8708 DIGI-RO 1 10
v4
AS7195 7195 7 9
v6
AS8359 MTS 6 9
v4
AS29169 GANDI-AS 4 6
v4
AS8966 Etisalat-AS 3 4
v4
AS6910 DIGI-BORDER 3 3
v6
AS37271 ORG-WCL1-AFRINIC 3 3
v4
AS31500 GNM-AS 1 3
v4
AS9009 M247 2 2
v4
AS9505 TWGATE-AP 1 2
v4
AS12552 GlobalConnect-AS12552 1 2
v6
AS1136 KPN 1 1
v4
AS30844 LIQUID-AS 1 1
v4
AS31133 MF-MGSM-AS 1 1
v4
AS39120 CONVERGENZE-AS 1 1
v6

No rows match “”.

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Observed downstreams

36 networks seen after AS2603 in AS paths

No rows match “”.

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Uncertain adjacencies

59 adjacencies that may be an artefact of collector peering

Uncertain adjacencies
Families
AS24482 SGGS-AS-AP 446 14,434
v4 v6
AS3214 XTOM 481 4,915
v4 v6
AS35710 WEBERCLOUD 492 4,230
v4 v6
AS31027 GlobalConnect-AS31027 330 3,042
v4 v6
AS49544 i3Dnet 382 2,162
v4 v6
AS51519 Karabro 466 2,029
v4 v6
AS51088 A2B 450 1,965
v4 v6
AS12859 NL-BIT 395 1,950
v4 v6
AS6894 KDDI-EUROPE 408 1,825
v4 v6
AS205206 Netsite 434 1,809
v4 v6
AS3170 VELOXSERV 377 1,755
v4 v6
AS2027 MilkyWan 404 1,740
v4 v6
AS39122 BLACKNIGHT-AS 397 1,705
v4 v6
AS42541 FIBERBY 353 1,603
v4 v6
AS212635 AS212635 347 1,569
v4 v6
AS3399 OBE-NET 338 1,553
v4 v6
AS28917 Fiord-AS 309 1,542
v4 v6
AS6667 EUNET-FINLAND 310 1,527
v4 v6
AS29140 HOSTSERVER-AS 345 1,491
v4 v6
AS1140 SIDN 327 1,465
v4 v6
AS20514 QBRANCH 300 1,460
v4
AS25220 GLOBALNOC-AS 308 1,376
v4 v6
AS3333 RIPE-NCC-AS 307 1,375
v4 v6
AS12969 Vodafone_Iceland 298 1,247
v4
AS48185 team_blue 154 1,211
v4 v6
AS1257 SWIPNET 243 1,174
v4 v6
AS13237 LAMBDANET-AS 270 1,168
v4
AS19151 BBO-1 161 1,093
v4 v6
AS39351 ESAB-AS 216 1,055
v4 v6
AS51185 MAINSTREAMING-AS 218 984
v4 v6
AS8529 OMANTEL-AS 172 909
v4 v6
AS199524 GCORE 156 882
v4 v6
AS852 ASN852 134 587
v4 v6
AS21700 NEPTUNE-NETWORKS 165 586
v4 v6
AS25160 VORBOSS 224 478
v6
AS1828 UNITAS 126 459
v4 v6
AS14907 WIKIMEDIA 124 452
v4 v6
AS58299 OPENFACTORY-AS 124 444
v4 v6
AS8455 ATOM86-AS 120 434
v4 v6
AS553 BELWUE 99 371
v4 v6
AS513 CERN 83 347
v4 v6
AS58057 SECUREBIT 76 322
v4 v6
AS20932 SIG-ST 83 314
v4 v6
AS8426 CLARANET-AS 81 298
v4 v6
AS680 DFN 64 263
v4 v6
AS36236 NETACTUATE 61 216
v4 v6
AS8501 PIONIER-AS 64 178
v4
AS31122 DIGIWEB-AS 129 165
v6
AS1653 SUNET 38 140
v4
AS18106 VIEWQWEST-SG-AP 24 54
v4 v6
AS1741 FUNETAS 8 48
v4
AS8674 NETNOD-IX 18 44
v4
AS224 UNINETT 6 25
v4
AS2847 LITNET 6 22
v4
AS1835 FSKNET-DK 8 14
v4
AS3221 EENet-AS 4 6
v4
AS15474 RHNET 2 3
v4
AS198093 DFRI-AS 1 2
v4
AS39590 NDGF 1 1
v4

No rows match “”.

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Note:
These are observed adjacencies derived from BGP path data, not confirmed commercial relationships. A network appearing before another in an AS path does not establish that it is a paying transit customer, a settlement free peer, or anything else contractual. Adjacencies marked uncertain were seen only as direct peers of a route collector, so the collector's own peering may have created them.