AS15965 — AS15965 CEGECOM S.A.

Network type: residential

AS15965 announces 7 IPv4 prefixes covering 21,760 addresses and 1 IPv6 prefixes.

About this network

Six reverse names pad every octet to three digits; the seventh is the same idea in capitals with dots.

What it's used for

• A carrier's network. Eight IPv4 prefixes and one IPv6 /32 announced from Luxembourg, twenty-two thousand and sixteen addresses, across one hundred and thirty-three observed BGP neighbours.

Notable

• Seven of eighteen queried addresses answered. Six begin with two letters and a hyphen, then the four octets in reverse order, each padded with leading zeros to three digits.
• The seventh uses the same two letters but separates with dots, keeps the octets in their normal order, drops the padding, and writes the entire name including the domain in capitals.
• Five netnames follow a country code, the brand and a date, with the two oldest falling in the middle and late nineteen-nineties.
• One block belongs to a different company under a netname joining a technology contraction and the country code; another is named with a run-together phrase about connectivity for a secondary operator.
• One block's registry lookup failed, so its details are unknown rather than absent.

Interesting

• Zero-padding makes reverse names sort correctly as text, which matters when the names end up in log files that get sorted rather than parsed. It also makes them fixed width, so a column of them lines up.
• The capitalised outlier is what happens when one zone is maintained by hand alongside six that are generated. DNS ignores case, so nothing breaks and nobody notices for years.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 78.111.136.0/24
• 80.64.144.0/20
• 193.91.32.0/20
• 193.168.62.0/23
• 194.48.252.0/23
• 195.43.96.0/19
• 217.31.64.0/20
• 2a02:3a8::/32

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS50628 Leonix Telecom SAS
• AS45049 Mohamed El Bouddunti
• AS24482 SG.GS
• AS48185 team.blue NV
• AS34019 Hivane Association
• AS34927 iFog GmbH
• AS3303 Swisscom (Schweiz) AG
• AS212024 Marc Schmitt
• AS12859 BIT BV
• AS213241 TECHIT.BE SRL
• AS33891 Core-Backbone GmbH
• AS37100 SEACOM Limited
• AS8551 Bezeq International Ltd.
• AS6797 GlobalConnect AB
• AS37721 Virtual Technologies & Solutions
• AS1836 green.ch AG
• AS12779 IT.Gate S.p.A.
• AS20485 Joint Stock Company TransTeleCom
• AS48362 Stadtwerke Feldkirch
• AS56662 Marcin Gondek

Downstream networks

• AS201441 European Investment Bank
• AS201043 Emma Technologies Sarl
• AS38927 Net-Build GmbH
• AS198095 POST Telecom S.A.
• AS28756 European Patent Organisation
• AS60288 Eurobase GmbH
• AS201740 SODRU S.A.
• AS61415 M&M GMbH
• AS203398 Rotarex S.A.
• AS47944 Chambre des Deputes Luxembourg
• AS214004 Deloitte General Services sarl
• AS51137 Stadtwerke Saarbrucken GmbH
• AS25094 Centre des technologies de l'information de l'Etat

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS6939 Hurricane Electric LLC
• AS1299 Arelion Sweden AB
• AS174 Cogent Communications, LLC
• AS201441 European Investment Bank
• AS201043 Emma Technologies Sarl
• AS38927 Net-Build GmbH
• AS198095 POST Telecom S.A.
• AS28756 European Patent Organisation
• AS34549 meerfarbig GmbH & Co. KG
• AS60288 Eurobase GmbH
• AS50628 Leonix Telecom SAS
• AS45049 Mohamed El Bouddunti
• AS201740 SODRU S.A.
• AS61415 M&M GMbH
• AS203398 Rotarex S.A.
• AS47944 Chambre des Deputes Luxembourg
• AS48185 team.blue NV
• AS3303 Swisscom (Schweiz) AG
• AS34927 iFog GmbH
• AS213241 TECHIT.BE SRL
• AS34019 Hivane Association
• AS212024 Marc Schmitt
• AS20485 Joint Stock Company TransTeleCom
• AS37721 Virtual Technologies & Solutions

Routing security

• RPKI: 8 valid, 0 invalid and 1 not-found announcements; 8 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 11 route objects.
• Listed in as-sets: AS-BNIX, AS-CEGECOM, AS-CEGECOM-V6, AS-FINECOM-PEERS-DECIX, AS-FRANCEIX-PAR-LIST, AS-HURRICANEV6, AS-MANDA-DECIX-PEERS-V4, AS-MANDA-DECIX-PEERS-V6, AS-NETBUILD, AS51706:AS-MEMBERS:AS-PAR-RS, AS6695:AS-DECIX-FRA-CONNECTED, AS6695:AS-DECIX-FRA-RS, AS6695:AS-DECIX-FRA-RS-V6.

Internet exchanges

• DE-CIX Frankfurt — Frankfurt, Germany
• France-IX Paris — Paris, France
• Luxembourg Internet Exchange — Luxembourg, Luxembourg
• Belgian National Internet Exchange — Brussels, Belgium