Autonomous system
AS21211 PENKI-AS LT-01115, Vilnius
Residential RIPE
Summary
Penki kontinentai
isp residential lithuania cable
The AS handle PENKI-AS is held by Penki kontinentai, a Lithuanian telecommunications provider.
What it's used for
- The address space carries residential and business access traffic, evidenced by reverse DNS entries such as
lan-78-157-72-0.vln.penki.ltand netnames likeLT-5CI-20070829. - With 48,896 IPv4 addresses announced across 24 prefixes and only 9 observed neighbours, the high address-to-neighbour ratio indicates an access network rather than a transit provider.
Notable
- Registrants for the majority of prefixes are
UAB Penki kontinentaiorPenki kontinentai administrators, aligning with the AS holder. Two prefixes (147.78.112.0/22and171.22.4.0/22) are registered toweb2objects GmbH, suggesting leased or acquired space. - The inventory is dominated by /19 and /20 blocks in the 78.157, 84.240, 31.44, and 213.159 ranges, with a single /32 IPv6 prefix.
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 1 exchange in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| Baltic Internet Exchange | Vilnius, Lithuania | 77.241.206.14 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-15, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 24 prefixes · 48.90K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| LT | Lithuania | 25 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS21211- Registry name
- PENKI-AS
- Registrant
- AS5CI-MNT
- Abuse contact
- registry@5ci.net
- Registered
- 2001-10-12
- Last changed
- 2020-11-16
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 31 valid, 0 with no ROA
- ROAs
- 33 authorising AS21211
- ASPA
- no ASPA record
- IRR
- 100% registered · 31 of 31 announcements
- Route objects
- 43 naming AS21211
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 1,781 prefixes, as published 2026-10-16. 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