Autonomous system
AS6823 TR-3C1B-TELEKOM
Residential RIPE
Summary
3C1B Telekom
isp transit legacy
TR-3C1B-TELEKOM is 3C1B Telekomünikasyon, a licensed Turkish operator headquartered in Ankara. It sells corporate internet, Metro Ethernet, leased lines, colocation and DDoS protection, plus wholesale interconnect and voice services to other carriers.
What it's used for
- Business connectivity and data-centre services rather than consumer broadband. Reverse DNS on the announced space sorts itself into named pools —
metro-poolandmetro_customerfor Metro Ethernet circuits,statik_poolfor static assignments,voip-poolfor voice,co-location-poolfor hosted kit, andbackbone-ipfor the network's own routers — all under3c1b.net. - The RIPE allocation is described bluntly as "3c1b Customer Networks".
Notable
- The IPv4 footprint is modest (a few thousand addresses) but the AS announces a large amount of IPv6 and peers heavily, including at AMS-IX, DE-CIX and Turk-IX. That combination — small address inventory, wide peering — is the profile of a transit and interconnect business, not of an address-hungry eyeball provider.
- Its wholesale side includes interconnect and regulatory services sold to other Turkish operators, which is why its peer count is out of proportion to its size.
Interesting
- The self-documenting reverse DNS is unusually helpful. Most operators publish opaque templated names; 3C1B labels each pool with the product it belongs to, so the shape of the business is legible from a handful of PTR lookups.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 10 exchanges in 6 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.196.193 |
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.215.179 |
| Speed Internet Exchange | Dronten, Netherlands | 185.1.222.106 |
| NetIX | Sofia, Bulgaria | 2001:67c:29f0::6823:1 |
| NetIX Greece | Thessaloniki, Greece | 185.0.28.47 |
| InterIX Internet Exchange | Amsterdam, Netherlands | 2001:7f8:134::bd |
| Nine IX | Paris, France | 185.1.14.138 |
| EuroGIX | Strasbourg, France | 185.1.14.138 |
Transit providers
32 upstream, 5 downstream and 52 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-10, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 4 prefixes · 4.61K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| TR | Turkey | 5 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS6823- Registry name
- TR-3C1B-TELEKOM
- Registrant
- mnt-3c1b
- Abuse contact
- network@3c1b.com
- Registered
- 2011-04-01
- Last changed
- 2026-08-30
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 21 valid, 0 with no ROA
- ROAs
- 21 authorising AS6823
- ASPA
- 21 declared providers
- IRR
- 100% registered · 21 of 21 announcements
- Route objects
- 22 naming AS6823
Reputation
Classification and threat
Residential Fixed-line consumer ISP. Addresses here are homes.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 431 networks and 1,775 prefixes, as published 2026-10-11. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere