HomeASN LookupAS204457

AS204457 ATLANTIS-CENTRAL Atlantis Telekomunikasyon Bilisim Hizmetleri San. ve Tic. Ltd. Sti.

🇹🇷

Org handle: ORG-ATBH1-RIPE

RIPE NCCallocated
Announced Prefixes (BGP)
25total
24 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)7,423
Announced (BGP)6,144
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)6.3×10²⁹
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
5
Country
🇹🇷 TR
RIR
RIPE NCC
Status
allocated
Allocated
2018-03-07

Routing hygiene

Score 13/100 · Low risk
RPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
2
0 announced against others' ROAs, 2 own announced by others
Upstreams
2
diversity 8/100
  • Routes concentrated on one upstream (96% of routes)
  • 2 prefixes of this ASN announced by another network against its ROAs

Based on 25 announced prefixes, updated daily (2026-10-27). How the score works · RPKI explained

Announced Prefixes

(BGP)25
|
Prefix
RPKI
IRR
Last Seen
45.94.5.0/24
 Valid
RIPE
2026-10-27
45.94.7.0/24
 Valid
RIPE
2026-10-27
45.156.30.0/24
 Valid
RIPE
2026-10-27
45.156.31.0/24
 Valid
RIPE
2026-10-27
87.121.22.0/24
 Valid
RIPE
2026-10-27
94.103.124.0/24
 Valid
RIPE
2026-10-27
95.141.248.0/24
 Valid
RIPE
2026-10-27
131.222.230.0/24
 Valid
RIPE
2026-10-27
131.222.231.0/24
 Valid
RIPE
2026-10-27
131.222.232.0/24
 Valid
RIPE
2026-10-27
1-10 of 25
1 / 3

Allocated Prefixes

(RIR)30
Prefix
Country
RIR
Status
45.94.5.0/24🇹🇷 TRRIPENCCallocated
45.94.7.0/24🇹🇷 TRRIPENCCallocated
45.156.30.0/23🇹🇷 TRRIPENCCallocated
45.156.31.0/24🇹🇷 TRRIPEassigned
87.121.22.0/24🇹🇷 TRRIPENCCallocated
94.103.124.0/24🇧🇬 BGRIPENCCallocated
94.103.124.0/25🇹🇷 TRRIPEassigned
94.103.124.128/26🇹🇷 TRRIPEassigned
94.103.124.192/27🇹🇷 TRRIPEassigned
94.103.124.224/28🇹🇷 TRRIPEassigned
1-10 of 30
1 / 3

All 25 announced prefixes of AS204457 →

Downstream Customers(4)

ASNName
AS6823🇹🇷TR-3C1B-TELEKOM 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
AS201178🇹🇷EURONET Euronet Telekomunikasyon A.S.
AS205570🇹🇷SIBANET SIBANET TELEKOM LIMITED SIRKETI
AS214608🇹🇷Gazinet Gazinet Internet Iletisim teknolojileri ltd. Sti.

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS204457 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS6204ZET NET INTERKVM HOST24
  • AS9002RETN Limited1

Downstreams (9)

Networks whose own prefixes AS204457 passes on: usually its customers.

  • AS205570SIBANET TELEKOM LIMITED SIRKETI7
  • AS6823TR 3C1B TELEKOM 3C1B Telekomunikasyon Ve Internet Hiz. San. Ve Tic. A.S2
  • AS51801Ik INTERNET KUTUSU TELEKOMUNIKASYON BILISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI2
  • AS214608Gazinet Internet Iletisim Teknolojileri . Sti2
  • AS49565POLE TELEKOM Pole Telekomunikasyon Sanayi Ve Ticaret Anonim Sirketi1
  • AS56325PortDC IST Markahost Telekomunikasyon Ve Ticaret Limited Sirketi1
  • AS202303ISP TRENDNET AS202303 TRENDNET TELEKOMUNIKASYON BILISIM HIZMETLERI TICARET LIMITED SIRKETI1
  • AS204036Nova Ennova Telekom Limited Sirketi1
  • AS212549Koycegiznet Tr KOYCEGIZ BILISIM HAB.TEK.SAN.TIC..STI1

Other adjacent networks (7)

Adjacent to AS204457 in the transit part of AS paths: peers, providers or customers.

  • AS201178EURONET Telekomunikasyon A.S5
  • AS51722PIXOOF TEKNOLOJI ANONIM SIRKETI2
  • AS62425KuzeyDC Mailbox Internet Hizmetleri . Sti2
  • AS208972Gibirnet Tr GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI2
  • AS34177CELESTE SAS1
  • AS34984TELLCOM Superonline Iletisim Hizmetleri A.S1
  • AS203796Incinet Internet Ve Iletisim Hizmetleri Ticaret Limited Sirketi1
ASPA
No ASPA0 upstreams, 4 downstreams
Listed as Upstream Provider by
4 ASNs
View full ASPA details →
Abuse Contact
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API
Open
GEThttps://api.ipctl.io/v1/asn/204457

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/204457" | jq