Autonomous system
AS13046 ASN-ISKON
Residential RIPE Cable/DSL/ISP
Summary
Iskon
isp telecom business
194 IPv4 prefixes for 136,704 addresses, and reverse names built from only half an address.
What it's used for
- A Croatian internet provider, held by the national telecommunications operator. 136,704 addresses across 194 IPv4 prefixes, 23 IPv6 prefixes, and 44 observed BGP neighbours.
Notable
- Eighteen of 18 sampled addresses returned names, in two forms:
244-0.dsl.iskon.hrfor89.164.244.0, and141-136-132-0.dsl.iskon.hrfor141.136.132.0. - Netnames include a numbered product series,
ISKON-DSL-01,ISKON-ADSL-02andISKON-ADSL-05, alongsideHR-ISKON-20110629. - The newer blocks list the parent telecom as a registrant; the older ones name only the subsidiary.
Interesting
- The short reverse form drops the first two octets, so a name only identifies an address if you already know which block it came from. Within one /16 that holds, but the operator announces space in several, and the same label can be produced by more than one address. A name that cannot be resolved back to a single address is not doing the job reverse DNS exists for.
- 194 prefixes averaging under 750 addresses each is what accumulating small allocations over two decades looks like, rather than any routing intent.
- The netnames record both
DSLandADSLin a numbered series, dating the blocks by the product being sold when each was registered.
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 3 exchanges in 3 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| NetIX | Sofia, Bulgaria | 185.1.226.111 |
| Vienna Internet Exchange | Vienna, Austria | 193.203.0.94 |
| Croatian Internet Exchange | Zagreb, Croatia | 185.1.87.66 |
Transit providers
6 upstream, 14 downstream and 30 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 2026-10-16, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 175 prefixes · 137K addresses IPv6 19 prefixes
| Country | Name | Prefixes |
|---|---|---|
| HR | Croatia | 194 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS13046- Registry name
- ASN-ISKON
- Registrant
- ISKON
- Abuse contact
- abuse@iskon.hr
- Registered
- 2002-08-30
- Last changed
- 2026-06-16
- Allocation
- allocated
Declared
PeeringDB profile
- Name
- ISKON INTERNET
- Also known as
- ISKON
- Network type
- Cable/DSL/ISP
- Scope
- Europe
- Traffic ratio
- Not Disclosed
- Peering policy
- Selective
- IRR as-set
AS-ISKON- Present at
- 3 exchanges
- Facilities
- 3 facilities
- Website
- http://www.iskon.hr
PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.
Routing security
RPKI and IRR
- RPKI
- 100% valid · 372 valid, 0 with no ROA
- ROAs
- 7 authorising AS13046
- ASPA
- no ASPA record
- IRR
- 100% registered · 372 of 372 announcements
- Route objects
- 84 naming AS13046
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: 442 networks and 1,783 prefixes, as published 2026-10-17. 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