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AS50300

CUSTDC

=========================================================

Registry

Authoritative registration data

AS number
50300
Name
CUSTDC
Organisation
=========================================================
Country
—
RIR
RIPE
Registered
Source:asn:rdap retrieved

IPv4 prefixes

39

IPv6 prefixes

7

Total announced

46

Announced prefixes

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

Prefixes announced by AS50300
185.14.164.0/22 IPv4 /22 not checked
109.74.240.0/24 IPv4 /24 not checked
109.74.241.0/24 IPv4 /24 not checked
109.74.242.0/24 IPv4 /24 not checked
109.74.243.0/24 IPv4 /24 not checked
109.74.244.0/24 IPv4 /24 not checked
109.74.246.0/24 IPv4 /24 not checked
109.74.247.0/24 IPv4 /24 not checked
109.74.248.0/24 IPv4 /24 not checked
109.74.249.0/24 IPv4 /24 not checked
109.74.250.0/24 IPv4 /24 not checked
109.74.251.0/24 IPv4 /24 not checked
109.74.252.0/24 IPv4 /24 not checked
109.74.255.0/24 IPv4 /24 not checked
176.12.104.0/24 IPv4 /24 not checked
176.12.105.0/24 IPv4 /24 not checked
176.12.106.0/24 IPv4 /24 not checked
176.12.107.0/24 IPv4 /24 not checked
176.12.108.0/24 IPv4 /24 not checked
176.12.109.0/24 IPv4 /24 not checked
176.12.110.0/24 IPv4 /24 not checked
185.32.72.0/24 IPv4 /24 not checked
185.32.73.0/24 IPv4 /24 not checked
185.32.75.0/24 IPv4 /24 not checked
185.42.65.0/24 IPv4 /24 not checked
185.48.164.0/24 IPv4 /24 not checked
185.48.165.0/24 IPv4 /24 not checked
185.48.166.0/24 IPv4 /24 not checked
185.48.167.0/24 IPv4 /24 not checked
193.33.198.0/24 IPv4 /24 not checked
5.102.168.0/24 IPv4 /24 not checked
5.102.169.0/24 IPv4 /24 not checked
5.102.170.0/24 IPv4 /24 not checked
5.102.171.0/24 IPv4 /24 not checked
5.102.172.0/24 IPv4 /24 not checked
5.102.173.0/24 IPv4 /24 not checked
5.102.174.0/24 IPv4 /24 not checked
5.102.175.0/24 IPv4 /24 not checked
92.118.16.0/24 IPv4 /24 not checked
2a00:1c10:100::/40 IPv6 /40 not checked
2a00:1c10:10::/44 IPv6 /44 not checked
2a00:1c10:30::/44 IPv6 /44 not checked
2a00:1c10::/44 IPv6 /44 not checked
2a00:1c10:cd0::/44 IPv6 /44 not checked
2a00:1c10:fff0::/44 IPv6 /44 not checked
2a00:1c10:da2::/48 IPv6 /48 not checked

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 AS50300
Address families
AMS-IX 10,000 Mbps IPv4 · IPv6
LINX LON1: Main 20,000 Mbps IPv4 · IPv6
LONAP: LON0 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 AS50300 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

65 networks seen before AS50300 in AS paths

Observed upstreams
Families
AS3257 GTT-BACKBONE 32,766 311,823
v4 v6
AS3356 LEVEL3 30,655 255,207
v4 v6
AS2914 NTT-DATA-2914 14,734 167,396
v4 v6
AS174 COGENT-174 13,941 147,087
v4 v6
AS6939 HURRICANE 23,150 124,411
v4 v6
AS9002 RETN-AS 5,761 40,503
v4 v6
AS7195 7195 3,164 13,650
v4 v6
AS33891 CORE-BACKBONE 1,506 9,344
v4 v6
AS20764 RASCOM-AS 908 6,877
v4 v6
AS5405 INTERDOTLINK 691 3,392
v4 v6
AS37100 ORG-SL75-AFRINIC 516 3,111
v4 v6
AS1031 PEER1-1031 608 2,862
v4 v6
AS37468 ORG-AC4-AFRINIC 653 2,563
v4 v6
AS35280 F5 259 1,634
v4 v6
AS3741 ORG-DD1-AFRINIC 92 1,623
v4 v6
AS13030 INIT7 253 1,523
v4 v6
AS6204 ZET-NET 256 1,480
v4 v6
AS20562 OPEN-PEERING-AS 238 1,470
v4 v6
AS6797 GLOBALCONNECT-NET 212 1,081
v4 v6
AS8218 NEO-ASN 169 983
v4 v6
AS8455 ATOM86-AS 156 982
v4 v6
AS60171 AFRIX-AS 170 938
v4 v6
AS34927 iFog-GmbH 267 898
v4 v6
AS41327 FIBERTELECOM-AS 163 775
v4 v6
AS4657 STARHUB-INTERNET 137 704
v4 v6
AS25091 IP-Max 128 691
v4 v6
AS6910 DIGI-BORDER 300 669
v4 v6
AS50673 Serverius-as 127 646
v4 v6
AS1267 ASN-WINDTRE 85 629
v4 v6
AS47147 AS-ANX 79 624
v4 v6
AS15802 DU-AS1 48 601
v4 v6
AS9009 M247 31 587
v4
AS29075 IELO 136 549
v4 v6
AS3223 VOXILITY 174 522
v4 v6
AS39686 AS-EUROFIBER 100 515
v4 v6
AS34549 MEER-AS 80 494
v4 v6
AS55850 MERCURYNZ-AS-AP 109 492
v4 v6
AS24961 MYLOC-AS 120 479
v4 v6
AS4455 BSO 96 470
v4 v6
AS3214 XTOM 134 465
v4 v6
AS37497 ORG-NPL3-AFRINIC 55 346
v4 v6
AS34019 HIVANE 48 338
v4 v6
AS48362 TKSWF-AS 31 299
v4 v6
AS50304 BLIX 43 298
v4
AS39351 ESAB-AS 64 285
v4 v6
AS34177 CELESTE-AS 34 285
v4 v6
AS14840 ASN14840 14 265
v4
AS1103 SURFNET-NL 31 219
v4 v6
AS13194 BITE 9 186
v4 v6
AS15576 NTS 44 181
v4 v6
AS9044 SOLNET 23 166
v4 v6
AS15958 CETIN_doo_AS 31 149
v4 v6
AS8298 IPNG 27 138
v4 v6
AS1764 NEXTLAYER-AS 10 137
v4 v6
AS21215 UGNI 14 103
v4 v6
AS6663 TTI-NET 10 100
v4 v6
AS6777 AMS-IX-RS 16 96
v4
AS20766 GITOYEN-MAIN-AS 14 68
v4 v6
AS56655 GIGAHOST 29 65
v4
AS3216 SOVAM-AS 11 59
v4
AS29632 NASSIST-AS 12 24
v6
AS50629 LWLCOM 8 16
v6
AS286 KPN 2 9
v4 v6
AS39249 KICUA-AS 3 6
v6
AS22356 ASN22356 1 5
v4

No rows match “”.

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Observed downstreams

6 networks seen after AS50300 in AS paths

Observed downstreams
Families
AS48407 TIGRISNET-IRAQ 366 1,833
v4
AS43408 OCD-UK 476 1,384
v4 v6
AS39103 as_moat 298 1,026
v4
AS215162 TROOLI 268 828
v4 v6
AS31463 FourD-AS 414 532
v4 v6
AS51926 P1C-AS 183 223
v4

No rows match “”.

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Uncertain adjacencies

100 adjacencies that may be an artefact of collector peering

Uncertain adjacencies
Families
AS9498 BBIL-AP 3,781 32,842
v4 v6
AS64049 RJIPL-SG 1,107 10,034
v4 v6
AS13335 CLOUDFLARENET 1,032 8,380
v4 v6
AS57463 NetIX 1,826 8,095
v4 v6
AS23764 CTGNet 593 6,918
v4 v6
AS137409 GSLNETWORKS-AS-AP 980 6,912
v4 v6
AS57304 RETNRU-AS 1,091 6,666
v4 v6
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK 720 6,538
v4 v6
AS16509 AMAZON-02 68 5,331
v4 v6
AS39386 STC-IGW-AS 107 3,580
v4 v6
AS31500 GNM-AS 480 2,944
v4 v6
AS31133 MF-MGSM-AS 408 2,727
v4
AS29119 SERVIHOSTING-AS 335 2,682
v4 v6
AS37662 ORG-WIOC1-AFRINIC 345 2,525
v4 v6
AS8966 Etisalat-AS 396 2,149
v4 v6
AS17557 PKTELECOM-AS-PK 39 2,012
v4 v6
AS37271 ORG-WCL1-AFRINIC 253 1,938
v4 v6
AS35598 INETCOM 438 1,861
v4 v6
AS4800 LINTASARTA-AS-AP 403 1,839
v4 v6
AS30844 LIQUID-AS 276 1,757
v4 v6
AS714 APPLE-ENGINEERING 2 1,749
v4 v6
AS16637 ORG-VSA1-AFRINIC 119 1,744
v4 v6
AS12552 GlobalConnect-AS12552 362 1,725
v4 v6
AS38040 GLOBAL-TRANSIT-TOT-IIG-TH 29 1,654
v4 v6
AS24482 SGGS-AS-AP 166 1,626
v4 v6
AS1828 UNITAS 275 1,605
v4 v6
AS5416 UNSPECIFIED 1 1,472
v4 v6
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK 8 1,460
v4 v6
AS28283 ASN28283 368 1,407
v4 v6
AS45430 SBN-AWN-IIG-AS-AP 105 1,382
v4
AS8866 VIVACOM-AS 98 1,368
v4 v6
AS57344 TELEHOUSE-AS 208 1,357
v4 v6
AS9304 HUTCHISON-AS-AP 150 1,340
v4 v6
AS8781 QA-ISP 60 1,310
v4 v6
AS136106 FIBERSTAR-AS-ID 299 1,189
v4
AS16276 OVH 247 1,181
v4 v6
AS35297 DATALINE-AS 172 1,132
v4 v6
AS12741 AS-NETIA 382 1,092
v4 v6
AS9605 docomo 2 1,051
v4 v6
AS15830 Equinix 240 1,038
v4 v6
AS6424 EDGOO 39 1,011
v4 v6
AS8400 TELEKOM-AS 152 1,003
v4 v6
AS3326 Datagroup 218 998
v4 v6
AS43727 KVANT-TELECOM 192 988
v4 v6
AS4651 NTPCL-AS-AP 76 983
v4 v6
AS2856 BT-UK-AS 136 917
v4
AS50263 IXP-1-IX-EU 262 887
v4
AS16265 LEASEWEB-NETWORK 5 852
v4 v6
AS21497 UMC-AS 111 820
v4 v6
AS17639 CONVERGE-AS 69 770
v4 v6
AS4775 GLOBE-TELECOM-AS 34 765
v4 v6
AS19551 INCAPSULA 30 763
v4 v6
AS58807 CMI-INT-AS 21 749
v4 v6
AS20473 AS-VULTR 213 742
v4 v6
AS9381 HKBNES-AS-AP 47 726
v4 v6
AS20804 ASN-TELENERGO 288 725
v4 v6
AS9050 RTD 139 710
v4 v6
AS36994 ORG-VA67-AFRINIC 54 684
v4 v6
AS24482 SGGS-AS-AP 9 657
v4 v6
AS13237 LAMBDANET-AS 186 648
v4 v6
AS35320 ETT-AS 159 643
v4 v6
AS9930 TTNET-MY 107 625
v4 v6
AS62240 Clouvider 21 604
v4 v6
AS17494 BTTB-AS-AP 183 592
v4 v6
AS55818 MCIX-AS-AP 59 590
v4 v6
AS8560 IONOS-AS 14 558
v4 v6
AS12400 PARTNER-AS 93 547
v4 v6
AS15557 LDCOMNET 94 536
v4 v6
AS36236 NETACTUATE 43 532
v4 v6
AS33763 ORG-PTL5-AFRINIC 72 524
v4 v6
AS58511 ANYCAST-GLOBAL-BACKBONE 62 502
v4 v6
AS5089 NTL 49 499
v4
AS263903 ASN263903 171 498
v4 v6
AS1820 WNET 129 488
v4 v6
AS18678 18678 137 485
v4 v6
AS680 DFN 35 484
v4 v6
AS12713 OTEGlobe 56 445
v4
AS36351 SOFTLAYER 14 441
v4 v6
AS8732 COMCOR-AS 139 439
v4 v6
AS8932 UCOMINT 55 427
v4 v6
AS59692 IQWEB 111 422
v4
AS2119 TELENOR-NEXTEL 86 422
v4 v6
AS9269 HKBN-AS-AP 3 418
v4 v6
AS25369 BANDWIDTH-AS 28 415
v4 v6
AS28458 28458 44 413
v4 v6
AS10310 YAHOO-1 49 412
v4 v6
AS2018 ORG-UP1-AFRINIC 8 411
v4 v6
AS24875 NOVOSERVE-AS 52 409
v4 v6
AS20940 AKAMAI-ASN1 8 396
v4 v6
AS5606 GTS-BACKBONE 68 391
v4 v6
AS200612 GulfBridgeInternational 89 377
v4 v6
AS43641 Sollutium-NL 5 371
v4 v6
AS42689 Glide 8 370
v4 v6
AS4788 TTSSB-MY 69 366
v6
AS7713 telkomnet-as-ap 2 365
v4
AS20860 IOMART-AS 21 364
v4 v6
AS196844 PIONIER-AS-ams-ix 129 359
v4 v6
AS42831 UKSERVERS-AS 33 356
v4 v6
AS8637 SPAINWISP 30 353
v4 v6
AS39737 Prime-Telecom-AS 90 350
v4 v6

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.