AS8517 National Academic Network and Information Center
IPv4 addresses
295,936
IPv6 /48 networks
65,536
RPKI
37 valid0 no ROA
Peers and downstreams
26
Holder
- AS name
- ULAKNET
- Description
- National Academic Network and Information Center
- Organisation
- National Academic Network and Information Center
- Registered in
- Ankara, Türkiye
- Abuse contact
- abuse@ulakbim.gov.tr
- Assigned
- 1997-10-20
- Registered
- 1970-01-01
- Record last changed
- 2020-12-18 13:42 UTC
161.9.128.0/17161.9.142.0/24185.7.0.0/22193.140.0.0/16193.140.140.0/24193.140.99.0/24193.255.0.0/16193.255.16.0/24193.255.17.0/24193.255.18.0/24193.255.19.0/24193.255.20.0/24193.255.21.0/24193.255.22.0/24193.255.24.0/24193.255.25.0/24193.255.26.0/24193.255.27.0/24193.255.28.0/24193.255.32.0/24193.255.33.0/24193.255.35.0/24193.255.36.0/24194.27.0.0/16194.27.140.0/24194.27.141.0/24194.27.142.0/24194.27.228.0/22194.27.232.0/22194.27.236.0/23194.27.43.0/2479.123.128.0/1795.183.128.0/1795.183.178.0/2495.183.179.0/24
| AS1967 | Middle East Technical University METU-NET |
| AS2592 | Ege University EGE-AS |
| AS5474 | TOBB Economics and Technology University TOBBETU-NET |
| AS8456 | Bogazici University ASBOUN |
| AS8466 | Ihsan Dogramaci Bilkent University BILKENT |
| AS8674 | Netnod AB NETNOD-IX |
| AS8678 | Ankara Universitesi Rektorlugu ANKARA-NET |
| AS9095 | Istanbul |
| AS12777 | Eser Telekom Sanayi ve Ticaret A.S. OTHER |
| AS15843 | Universitesi Galatasaray |
| AS24614 | Sakarya University SAKARYA-NET-AS |
| AS24922 | Hacettepe Universitesi HACETTEPE |
| AS31689 | Eastern Mediterranean University EMU-AS |
| AS42626 | ATATURK-UNIVERSITESI ATAUNI-AS |
| AS44639 | Isik University ISIKUN |
| AS48811 | Atilim Universitesi ATILIM-AS |
| AS201632 | Anadolu University AS ANADOLU-EDU-AS |
| AS205782 | TUBITAK NATIONAL METROLOGY INSTITUTE TUBITAK-UME-AS |
| AS206887 | Istanbul Medeniyet Universitesi MEDENIYET-EDU-NET |
| AS207263 | TUBITAK-BILGEM |
| AS210690 | Istanbul Arel Universitesi Arel-University-AS |
| AS211249 | Yildiz Teknik Universitesi YILDIZ-EDU-NET |
| AS212167 | Pamukkale University PAU-EDU-AS |
| AS213309 | Marmara University MARMARA-EDU-NET |
| AS215977 | TUBITAK MAM TUBITAK-MAM-AS |
| AS20965 | GEANT Vereniging GEANT |
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade B · 85/100| pass | Prefixes covered by valid ROAs 37 of 37 announced prefixes are RPKI valid. |
25/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| pass | Announces IPv6 2 IPv6 prefixes. |
15/15 |
| pass | More than one upstream 2 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact abuse@ulakbim.gov.tr is published. |
15/15 |
| fail | Publishes a geofeed No geofeed found. Without one, location databases have to guess. |
0/10 |
| pass | No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger. |
10/10 |
| fail | Registry record maintained Last changed 2020-12-18. |
0/5 |
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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[](https://ip-fd.net/asn/8517)
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Routing changes
Last 30 days| 2026-10-04 01:17 UTC | Relationship changed | AS20965 | upstream to peer |
| 2026-10-04 01:17 UTC | New prefix | 193.140.99.0/24 |
WHOIS
aut-num: AS8517 as-name: ULAKNET org: ORG-NANa1-RIPE admin-c: NK3170-RIPE tech-c: NK3170-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT remarks: ---------------------------------- remarks: Filtering prefixes longer than /24 remarks: For any problem(s) noc@ulak.net.tr remarks: ---------------------------------- mnt-by: ULAKNET-MNT created: 1970-01-01T00:00:00Z last-modified: 2020-12-18T13:42:00Z source: RIPE % 38 routing policy lines (import/export) not shown