Home ASN LookupAS43709

AS43709 SILESNET SilesNet s.r.o.

🇨🇿

Org handle: ORG-Ss80-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

14total

7 IPv47 IPv6

IPv4 Addresses

Allocated (RIR)10,240

Announced (BGP)24,576

IPv6 Addresses

Allocated (RIR)1.5×10²⁹

Announced (BGP)2.3×10²⁹

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇨🇿 CZ

RIR

RIPE NCC

Status

allocated

Allocated

2007-09-18

Announced Prefixes

(BGP)14

Prefix	RPKI	IRR	Last Seen
78.157.160.0/19	Valid	RIPE	-
78.157.160.0/20	Valid	RIPE	-
78.157.160.0/21	Valid	RIPE	-
78.157.168.0/21	Valid	RIPE	-
78.157.176.0/20	Valid	RIPE	-
78.157.176.0/21	Valid	RIPE	-
78.157.184.0/21	Valid	RIPE	-
2a02:d8a0::/32	Valid	RIPE	-
2a02:d8a0::/33	Valid	RIPE	-
2a02:d8a0::/34	Valid	RIPE	-

1-10 of 14

1 / 2

Allocated Prefixes

(RIR)5

Prefix	Country	RIR	Status
78.157.160.0/19	🇨🇿 CZ	RIPENCC	allocated
78.157.168.0/21	🇨🇿 CZ	RIPE	assigned
2a02:d8a0::/32	🇨🇿 CZ	RIPENCC	allocated
2a02:d8a0::/33	🇨🇿 CZ	RIPE	assigned
2a02:d8a0:8000::/33	🇵🇱 PL	RIPE	assigned

All 14 announced prefixes of AS43709 →

BGP Neighbours

(seen in AS paths)

Upstreams (4)

Networks AS43709 hands its own prefixes to: transit providers, or peers at an exchange.

AS6939Hurricane Electric6
AS1299TWELVE99 Arelion Sweden AB4
AS22356Durand Do Brasil Ltda3
AS6461Zayo Bandwidth1

ASPA

No ASPA

Abuse Contact

+31205354444

External Links

RIPE Whois RIPEstat

Learn more

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 AS43709 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

Open

GEThttps://api.ipctl.io/v1/asn/43709

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

curl -s "https://api.ipctl.io/v1/asn/43709" | jq