AS203376 MAILKIT Mailkit s.r.o.

🇨🇿

Org handle: ORG-MS392-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

6total

3 IPv43 IPv6

IPv4 Addresses

Allocated (RIR)1,024

Announced (BGP)1,024

IPv6 Addresses

Allocated (RIR)6.3×10²⁹

Announced (BGP)6.3×10²⁹

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

allocated

Allocated

2016-02-02

Announced Prefixes

(BGP)6

Prefix	RPKI	IRR	Last Seen
185.136.200.0/23	Valid	-	2026-10-11
185.136.202.0/24	Valid	-	2026-10-11
185.136.203.0/24	Valid	-	2026-10-11
2a06:ffc0::/30	Valid	-	2026-10-11
2a06:ffc4::/31	Valid	-	2026-10-11
2a06:ffc6::/31	Valid	-	2026-10-11

(RIR)2

Prefix	Country	RIR	Status
185.136.200.0/22	🇨🇿 CZ	RIPENCC	allocated
2a06:ffc0::/29	🇨🇿 CZ	RIPENCC	allocated

(seen in AS paths)

Networks AS203376 hands its own prefixes to: transit providers, or peers at an exchange.

ASPA

No ASPA

Abuse Contact

External Links

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS203376 should publish an ASPA object
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

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

curl -s "https://api.ipctl.io/v1/asn/203376" | jq