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Network report

Who holds an IP address, prefix or AS number, how it is routed (origin AS, RPKI, IRR), its reverse DNS, blocklist listings and PeeringDB record, with what to fix first.

IP address, prefix or AS number

45.91.251.0/24 · 

curl -s "https://thenetworkery.com/api/v1/network-report?query=45.91.251.0%2F24"
JSON Docs

Pass: 45.91.251.0/24 is announced by AS44486 (SYNLINQ). Nothing to fix.

Announced as45.91.251.0/24
Origin ASAS44486 SYNLINQ
Holdermnt-de-roethundbeck-1
AllocationRIPE NCC, Germany (DE), allocated 2019-06-28
Size256 addresses
Abuse contactabuse@roeth-und-beck.de

Checks

Routing and RPKI Announced as 45.91.251.0/24 by AS44486.
  • Pass: Announced as 45.91.251.0/24 by AS44486.
  • Pass: 45.91.251.0/24 from AS44486 is RPKI valid.
  • Pass: Seen by 100% of RIPE RIS peers.
Route45.91.251.0/24
Origin ASAS44486 SYNLINQ Oliver Horscht trading as "SYNLINQ" RPKI valid
IRR route objectsRIPE
Visibility (RIS peers)319 / 319
First seen2019-07-04
ROAs covering this prefix
ROA prefixMax lengthOrigin AS
45.91.251.0/24 /24 AS44486

Source: RIPEstat (RIPE NCC RIS, Routinator)

Open in ASN & BGP prefix lookup
Reverse DNS Reverse DNS is delegated (251.91.45.in-addr.arpa).
  • Pass: Reverse DNS is delegated (251.91.45.in-addr.arpa).
Reverse zones 1
ZoneNameservers
251.91.45.in-addr.arpa ns1.rub.systems, ns2.rub.systems
Open in DNS lookup
Registration Found at rdap.arin.net.
  • Pass: Found at rdap.arin.net.
NameDE-RUB-07
Handle45.91.251.0 - 45.91.251.255
Range45.91.251.0 – 45.91.251.255
CountryDE
Statusactive
Registered2021-04-14T10:30:44Z
Last changed2024-07-15T09:28:36Z
Abuse contactabuse@roeth-und-beck.de
Allocation
Registry (RIR)RIPE NCC
CountryGermany (DE)
Delegated on2019-06-28
StatusAllocated
Delegated range45.91.248.0/22 (45.91.248.0 – 45.91.251.255)

Source: RIR delegation data, updated daily. The country is where the range was registered, not necessarily where it is used.

Contacts
RoleNameEmail
technical Andreas Beck
registrant mnt-de-roethundbeck-1
registrant Rene Roeth trading as ROETH & BECK GbR
administrative Rene Roeth
abuse Abuse-C Role abuse@roeth-und-beck.de

Source: https://rdap.arin.net/registry/ip/45.91.251.0/24. Registration data from rdap.arin.net, shown under its terms of use (terms): not for marketing or bulk collection.

Open in WHOIS / RDAP lookup
PeeringDB No public NOC, policy or technical contact.
  • Pass: AS44486 is in PeeringDB as SYNLINQ.
  • Info: Peering policy: Selective.
  • Info: Present at 3 internet exchanges with 3 ports (100G in total).
  • Warning: No public NOC, policy or technical contact.

About the network that announces this space, so not in the fix list.

NetworkSYNLINQ
AS numberAS44486
TypeNSP, Global
Websitehttps://synlinq.de/
IRR as-setAS-SYNLINQ
Prefixes (IPv4 / IPv6)500 / 70
TrafficBalanced
Peering policySelective
LocationsNot Required
Ratio requiredNo
ContractsNot Required
Last updated2026-09-17
Contacts
Salesinfo@synlinq.de

Source: PeeringDB. Results are cached for an hour.

Open in PeeringDB lookup