HomeASN LookupAS5391

AS5391 T-HT Hrvatski Telekom d.d.

🇭🇷

Org handle: ORG-HA7-RIPE

Croatian Telecom Inc.

RIPE NCCallocated
Announced Prefixes (BGP)
49total
47 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)376,064
Announced (BGP)1.3M
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)7.1×10²⁹
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
10
Country
🇭🇷 HR
RIR
RIPE NCC
Status
allocated
Allocated
1995-08-04

Listed on the threat map (2026-10-11)

Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Announced Prefixes

(BGP)49
|
Prefix
RPKI
IRR
Last Seen
31.216.192.0/19
 Valid
RIPE
2026-10-11
31.217.0.0/17
 Valid
RIPE
2026-10-11
31.217.0.0/19
 Valid
RIPE
2026-10-11
31.217.32.0/19
 Valid
RIPE
2026-10-11
31.217.64.0/19
 Valid
RIPE
2026-10-11
31.217.96.0/19
 Valid
RIPE
2026-10-11
46.188.128.0/17
 Valid
RIPE
2026-10-11
46.188.128.0/19
 Valid
RIPE
2026-10-11
46.188.160.0/19
 Valid
RIPE
2026-10-11
46.188.192.0/20
 Valid
RIPE
2026-10-11
1-10 of 49
1 / 5

Allocated Prefixes

(RIR)20
Prefix
Country
RIR
Status
31.216.192.0/19🇭🇷 HRRIPENCCallocated
31.217.0.0/17🇭🇷 HRRIPENCCallocated
46.188.128.0/17🇭🇷 HRRIPENCCallocated
83.131.0.0/16🇭🇷 HRRIPENCCallocated
87.252.128.0/19🇭🇷 HRRIPENCCallocated
87.252.144.0/22🇭🇷 HRRIPEassigned
87.252.148.0/23🇭🇷 HRRIPEassigned
87.252.150.0/24🇭🇷 HRRIPEassigned
87.252.152.0/22🇭🇷 HRRIPEassigned
89.172.0.0/16🇭🇷 HRRIPENCCallocated
1-10 of 20
1 / 2

All 49 announced prefixes of AS5391 →

BGP Neighbours

(seen in AS paths)

Upstreams (5)

Networks AS5391 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS3320DTAG Deutsche Telekom19
  • AS9002RETN Limited18
  • AS174Cogent Communications6
  • AS6939Hurricane Electric5
  • AS3356Level 3 Parent1

Downstreams (26)

Networks whose own prefixes AS5391 passes on: usually its customers.

  • AS13046ASN ISKON Hrvatski Telekom D.D436
  • AS9146BIHNET BH Telecom D.D. Sarajevo63
  • AS20875HPTNET JP HT D.D. Mostar35
  • AS8585INTERNET CG Crnogorski Telekom A.D.Podgorica15
  • AS25144TELEKOM SRPSKE "Telekomunikacije Republike Srpske" Akcionarsko Drustvo Banja Luka11
  • AS35567DASTO Bosnia DASTO Semtel D.O.O4
  • AS44377MTNET MAGIC NET D.O.O4
  • AS203463ASSECOSEE ASEE SOLUTIONS D.O.O4
  • AS59866AKD D.O.O3
  • AS214427HR NETVIS D.O.O3
  • AS25365TOMSOFT D.O.O2
  • AS211191Gigabit D.O.O2
  • AS9119SOFTNET D.O.O1
  • AS15719CZVH CENTAR ZA VOZILA HRVATSKE D.D1
  • AS21323ERSTEBANK Erste&Steiermarkische Bank D.D1
  • AS30841IKB Istarska Kreditna Banka Umag D.D1
  • AS35128HPB Hrvatska Postanska Banka D.D1
  • AS35416CROAIR Croatia Airlines D.D1
  • AS43547HP Enterprise Services D.O.O1
  • AS50410HAC Hrvatske Autoceste D.O.O1
  • AS57868LUPLOCE Lucka Uprava Ploce1
  • AS197823ASN MZSS Ministarstvo Zdravstva1
  • AS200990HOPS Hrvatski Operator Prijenosnog Sustava D.D1
  • AS201987Eolodd EOLO Hrvatska D.D1
  • AS204163HrvatskeVode Hrvatske Vode1
  • AS215045Upmc Hrvzcc UPMC GLOBAL OPERATIONS CENTER LIMITED1

Other adjacent networks (7)

Adjacent to AS5391 in the transit part of AS paths: peers, providers or customers.

  • AS1299TWELVE99 Arelion Sweden AB9
  • AS6762SEABONE NET TELECOM ITALIA SPARKLE S.P.A5
  • AS205714Tele2hr Telemach Hrvatska D.O.O4
  • AS9009M247 Europe2
  • AS34362TERRAKOM D.O.O2
  • AS44306Omonia D.O.O1
  • AS61094CRATIS D.O.O1
ASPA
No ASPA
Abuse Contact
+31205354444
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/5391

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

curl -s "https://api.ipctl.io/v1/asn/5391" | jq