Autonomous System
AS5603 — SIOL-NET - Telekom Slovenije, d.d.(SI)
Last fetched
AS5603 is an Autonomous System operated by SIOL-NET - Telekom Slovenije, d.d. and registered in SI. As of Tue, 04 Aug 2026 17:02:58 GMT, it announces 94 routed IP prefixes and peers with 140 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS5603 announces 94 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 37.18.224.0/22
- 37.18.228.0/23
- 37.18.230.0/23
- 37.18.224.0/20
- 37.18.232.0/21
- 86.61.0.0/18
- 86.61.0.0/17
- 86.61.64.0/18
- 89.142.0.0/18
- 89.142.64.0/18
- 89.142.0.0/16
- 89.142.128.0/18
- 89.142.192.0/18
- 89.143.0.0/18
- 89.143.64.0/18
- 89.143.0.0/16
- 89.143.128.0/18
- 89.143.192.0/18
- 91.195.146.0/23
- 91.217.126.0/24
- 91.217.127.0/24
- 95.159.192.0/20
- 95.159.192.0/18
- 95.176.128.0/18
- 95.176.128.0/17
Peering ecosystem
140 distinct peers via BGP. The first 140 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS15664 | SI-Business - Business Solutions d.o.o. | SI |
| AS15822 | AGEN-AS - AGEN-AS | SI |
| AS15889 | SRC-SI-AS - SRC-SI-AS | SI |
| AS15935 | HA-VEL-LOCAL-AS - ha-vel internet s.r.o. | CZ |
| AS16184 | LUKAKP-AS - LUKAKP-AS | SI |
| AS1764 | NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH | AT |
| AS196772 | NEK - NEK | SI |
| AS196837 | SI-ISTRABENZ-TURIZEM - SI-ISTRABENZ-TURIZEM | SI |
| AS197266 | A-SOFT - A-SOFT | SI |
| AS197326 | TRIMO - TRIMO | SI |
| AS197416 | TALPAS-SI-AS - TALPAS-SI-AS | SI |
| AS197514 | Nbanka - Nova Ljubljanska Banka d.d. | SI |
| AS197536 | KOVINTRADE-SI-AS - KOVINTRADE-SI-AS | SI |
| AS197635 | ETI-si - ETI-si | SI |
| AS197663 | POLANS - POLANS | SI |
| AS197679 | KolektorGroup - KolektorGroup | SI |
| AS197796 | TEB-SI-AS - TEB-SI-AS | SI |
| AS197843 | Alcad-SI - Alcad-SI | SI |
| AS197881 | AS-KONTRON - KRONTRON d.o.o. | SI |
| AS198279 | ATU-AL-AS - Albanian Telecommunications Union SH. P.K. | AL |
| AS198298 | IMOVATION - IMOVATION | SI |
| AS198307 | TPV-SI-AS - TPV-SI-AS | SI |
| AS198470 | SI-RLS - SI-RLS | SI |
| AS198691 | spaceadmins - SPACE Admins d.o.o. | RS |
| AS199249 | genis-si - genis-si | SI |
| AS199268 | LANCOM-SI - LANCOM inzeniring racunalniskig sistemov d.o.o. | SI |
| AS199638 | RUDIS-SI-AS - Rudis D.o.o. | SI |
| AS199951 | KNET-AS - K-NET, kabelski sistemi, d.o.o. | SI |
| AS199971 | SI-IXTLANTEAM - Ixtlan Team d.o.o. | SI |
| AS200899 | INTERSPACE-EUROPE - INTERSPACE DOOEL Skopje | MK |
| AS202137 | MORS - Ministrstvo za obrambo | SI |
| AS202456 | SILIKO - SILIKO PROIZVODNO PODJETJE, STORITVE IN TRGOVINA, D.O.O. | SI |
| AS202547 | LON-AS - Hranilnica LON d.d., Kranj | SI |
| AS202644 | mewireless - Wireless Montenegro D.O.O. | ME |
| AS203830 | RLV-AS - PREMOGOVNIK VELENJE, d.o.o. | SI |
| AS204500 | ARCONT - Arcont d.d. | SI |
| AS204501 | LTHCASTING - LTH Castings d.o.o. | SI |
| AS204771 | SI-SINERGISE - Sinergise d.o.o. | SI |
| AS204984 | AJPES-AS - AJPES | SI |
| AS20526 | INTEREUROPA-AS - Intereuropa d.d. | SI |
| AS205379 | SALONIT - Salonit Anhovo, d.d. | SI |
| AS205403 | ELRAD - ELRAD INTERNATIONAL d.o.o. | SI |
| AS205509 | Elektro-Primorska - Elektro Primorska, podjetje za distribucijo elektricne energije, d.d. | SI |
| AS205923 | OPTIXCOM-AS - Optixcom sh.p.k. | AL |
| AS20691 | GLS-SLO-AS - General Logistics Systems logisticne storitve d.o.o. | SI |
| AS207318 | NGEN - NGEN, energetske resitve d.o.o. | SI |
| AS207746 | A1SI-AS - A1 Slovenija telekomunikacijske storitve,d.d. | SI |
| AS20892 | Activa-SI-AS - Nexi Slovenija d.o.o. | SI |
| AS209996 | adacta - Adacta d.o.o. | SI |
| AS21107 | BLICNET-AS - Blicnet d.o.o. Banja Luka | BA |
| AS211256 | ELTA-SI - ELTA TELEKOMUNIKACIJE d.o.o. | SI |
| AS211884 | ASCALCIT - CALCIT, proizvodnja kalcitnih polnil d.o.o. | SI |
| AS21246 | IPKO-AS - IPKO Telecommunications LLC | AL |
| AS212548 | PETROL-AS - Petrol d.d. Ljubljana | SI |
| AS212563 | MOCELJE - Mesta Obcina Celje | SI |
| AS213306 | CTSI - Comtrade System Integration doo Belgrade Serbia | RS |
| AS21401 | BORZEN-AS - BORZEN-AS | SI |
| AS214167 | INEL-AS - Inel d.o.o. | SI |
| AS21441 | LJSE-AS - LJSE-AS | SI |
| AS214499 | BASS-2 - BASS d.o.o., Celje | SI |
| AS24629 | NIL-AS - NIL Data Communications Ltd. | SI |
| AS25149 | DROGA-AS - DROGA-AS | SI |
| AS25173 | ISKRATR-AS - ISKRATR-AS | SI |
| AS25467 | AKTON-AS - Akton d.o.o. | SI |
| AS25499 | ASN-TRIGLAV - Zavarovalnica Triglav d.d. | SI |
| AS25541 | MERKUR-SI-AS - MERKUR TRGOVINA, D.O.O. | SI |
| AS28933 | LTFE-AS - University of Ljubljana, Faculty of Electrical Engineering | SI |
| AS28984 | ZHKS-AS - Dezelna Banka Slovenije d.d. | SI |
| AS29015 | KRKA-ASN - KRKA, d.d.Novo mesto | SI |
| AS29276 | MOBITEL-GPRS - Telekom Slovenije, d.d. | SI |
| AS29374 | ADRIATIC-AS - GENERALI zavarovalnica d.d. | SI |
| AS31060 | DOBA-AS - DOBA Fakulteta | SI |
| AS31095 | SPARIGT-AS - Spar Business Services GmbH | AT |
| AS31134 | AMZS-AS - AMZS-AS | SI |
| AS31687 | PPTUJ-AS - Perutnina Ptuj d.d. | SI |
| AS31711 | HYPO-SI-AS - HYPO-SI-AS | SI |
| AS3303 | SWISSCOM - Swisscom (Schweiz) AG | CH |
| AS3320 | DTAG - Deutsche Telekom AG | DE |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | US |
| AS33850 | UNIORSI-AS - UNIORSI-AS | SI |
| AS33918 | PRIMORSKE-NOVICE-AS - PRIMORSKE NOVICE, d.o.o. Koper,s.r.l. Capodistria | SI |
| AS34019 | HIVANE - Hivane Association | FR |
| AS34488 | UNICREDIT-BANKA-SLOVENIJA-AS - UNICREDIT BANKA SLOVENIJA d.d. | SI |
| AS34547 | Telesmart-AS - TELESMART TELEKOM DOO | MK |
| AS34549 | MEER-AS - meerfarbig GmbH & Co. KG | DE |
| AS34717 | SID-AS - SID Bank,d.d., Ljubljana | SI |
| AS34772 | NEOTEL-AS-MK - NEOTEL-AS-MK | MK |
| AS39387 | DELO-AS - DELO-AS | SI |
| AS39497 | Lama-NET-AS - Lama-NET-AS | SI |
| AS39727 | ZZI-AS - ZZI d.o.o. | SI |
| AS41104 | PODRAVKA-AS - PODRAVKA trgovsko podjetje, d.o.o. Ljubljana | SI |
| AS41182 | MKNJIGA-AS - MKNJIGA-AS | SI |
| AS41505 | delavskahranilnica-si - delavskahranilnica-si | SI |
| AS41630 | HELIOS-AS - Helios Domzale, d.o.o. | SI |
| AS41640 | HALCOM-AS - Halcom d.o.o. | SI |
| AS41916 | MERCATOR-SI-AS - MERCATOR-SI-AS | SI |
| AS42681 | TS - Telekom Slovenije, d.d. | SI |
| AS42757 | SPARKASSE-SI-AS - Banka Sparkasse d.d. | SI |
| AS42791 | LOTERIJA-SI - Loterija Slovenije | SI |
| AS42948 | SPORTNA-LOT-SI-AS - SPORTNA-LOT-SI-AS | SI |
| AS43061 | SI-STELKOM - Stelkom d.o.o. | SI |
| AS43164 | MIKROCOP-AS - MIKROCOP-AS | SI |
| AS43351 | GORENJE-SI-AS - Gorenje, d.o.o. | SI |
| AS43663 | MAKSIM-AS - Maksim trgovsko in storitveno podjetje, d.o.o. | SI |
| AS43854 | STUDIOMODERNA-AS - Studio Moderna d.o.o. | SI |
| AS44085 | DARS-AS - DARS d.d. | SI |
| AS44463 | DINIT-AS - Dinit d.o.o. | SI |
| AS44524 | ADK-SI-AS - ADK-SI-AS | SI |
| AS44632 | AS-KONTRON-1 - KRONTRON d.o.o. | SI |
| AS44730 | VZAJEMNA-SI-AS - VZAJEMNA-SI-AS | SI |
| AS44744 | FLINT-AS - FLINT-SI d.o.o. | SI |
| AS45002 | VOKA-AS - JAVNI HOLDING Ljubljana, d.o.o. | SI |
| AS47903 | JUB-AS - JUB d.o.o. | SI |
| AS47904 | SI-ARCTUR - SI-ARCTUR | SI |
| AS48222 | TRIGLAVZADRAVSTVENA-SI - ZAVAROVALNICA TRIGLAV, d.d. | SI |
| AS48362 | TKSWF-AS - Stadtwerke Feldkirch | AT |
| AS48398 | DINERS-CLUB-IT-AS - DINIT d.o.o. | SI |
| AS48653 | SLO-ZELEZNICE - SLO-ZELEZNICE | SI |
| AS48774 | gen-energija-si-as - gen-energija-si-as | SI |
| AS49754 | SFERA-IT-AS - Sfera IT d.o.o. | SI |
| AS49927 | Mikrografija - Mikrografija Trgovina d.o.o. | SI |
| AS51644 | SI-DATALAB - SI-DATALAB | SI |
| AS5405 | INTERDOTLINK - Inter.link GmbH | DE |
| AS56481 | MLINOTEST-AS - MLINOTEST-AS | SI |
| AS56993 | KZPS - KONTROLA ZRACNEGA PROMETA SLOVENIJE, d.o.o. | SI |
| AS57291 | AJM-DOO - AJM okna-vrata-sencila d.o.o. | SI |
| AS57532 | KTVRavne - Kabelska televizija Ravne d.o.o. | SI |
| AS57554 | ZAVMB-DD - Zavarovalnica Sava, d.d. | SI |
| AS57623 | AGENDA - AGENDA komunikacijski in informacijski inzeniring d.o.o. | SI |
| AS57854 | ALTERNA-AS - ACTUAL I.T. d.d. | SI |
| AS58046 | HKOM-AS - The Ministry of Digital Transformation | SI |
| AS6762 | SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A. | IT |
| AS6764 | PERFTECH-SLOVENIA-AS - PERFTECH, podjetje za proizvodnjo in uvajanje novih tehnologij, d.o.o. | SI |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
| AS8038 | 6CONNECT - 6connect, Inc. | US |
| AS8218 | NEO-ASN - Zayo Infrastructure France SA | FR |
| AS8307 | TS - Telekom Slovenije, d.d. | SI |
| AS8558 | HTTPOOL-NET-AS - HTTPOOL-NET-AS | SI |
| AS8727 | ADACTA-AS - ADACTA-AS | SI |
| AS9002 | RETN-AS - RETN Limited | GB |
Blast radius
Count of dependent hostnames if AS5603 disappeared from the routing table.
Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.
MOAS / hijack watch
Prefixes routed by AS5603 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
No active MOAS conflicts. Every prefix announced by AS5603 is unique to AS5603 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS5603.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS5603"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.