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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

AS15685 · 

curl -s "https://thenetworkery.com/api/v1/network-report?query=AS15685"
JSON Docs

Warning: AS15685 (CASABLANCA-AS) announces 59 IPv4 and 1 IPv6 prefixes. 1 warning

AS pageAS15685
HolderCASABLANCA-AS CASABLANCA INT a.s.
AllocationRIPE NCC, Czechia (CZ), allocated 2000-09-11
Prefixes (IPv4 / IPv6)59 / 1
RPKI valid100% (60 / 60)
Upstreams and peers10
Peering policyOpen

What to fix

  1. Warning

    No public NOC, policy or technical contact.

    Other networks use these addresses to set up peering and to reach you during an incident.

    Fix: Add a role contact (for example noc@ or peering@ an address you monitor) with visibility Public.

    Open in PeeringDB lookup

Checks

Routing and RPKI AS15685 announces 59 IPv4 and 1 IPv6 prefixes.
  • Pass: AS15685 announces 59 IPv4 and 1 IPv6 prefixes.
  • Pass: All 60 announced prefixes are RPKI valid.
  • Pass: Every announced prefix has an IRR route object.
  • Info: 10 upstreams and peers, 12 downstream networks seen.
HolderCASABLANCA-AS CASABLANCA INT a.s.
IPv4 prefixes59
IPv6 prefixes1
RPKI60 valid
Downstream networks12

Upstreams and peers seen to the left 10

AS6939 Hurricane Electric AS1299 Arelion (Twelve99) AS42000 Kaora AS33891 Core-Backbone AS8218 Zayo Europe AS1764 next layer AS4455 BSO AS6204 ZET.NET AS14840 BR.Digital AS6663 Türk Telekom International

Announced prefixes 60

77.78.76.0/24 77.78.95.0/24 77.78.96.0/20 77.78.118.0/23 77.78.123.0/24 77.78.124.0/22 81.0.192.0/22 81.0.199.0/24 81.0.206.0/23 81.0.208.0/23 81.0.212.0/23 81.0.214.0/24 81.0.217.0/24 81.0.225.0/24 81.0.226.0/24 81.0.228.0/24 81.0.231.0/24 81.0.232.0/21 81.0.240.0/23 81.0.250.0/24 81.0.254.0/23 82.208.6.0/23 82.208.8.0/22 82.208.12.0/24 82.208.14.0/24 82.208.16.0/23 82.208.16.0/24 82.208.17.0/24 82.208.18.0/24 82.208.27.0/24 82.208.28.0/23 82.208.34.0/23 82.208.39.0/24 82.208.40.0/23 82.208.44.0/24 82.208.46.0/23 82.208.48.0/23 82.208.50.0/24 82.208.56.0/24 82.208.58.0/24 85.239.227.0/24 85.239.252.0/24 109.123.192.0/21 109.123.202.0/23 109.123.205.0/24 109.123.210.0/23 109.123.214.0/23 109.123.216.0/21 185.95.118.0/23 217.11.224.0/23 217.11.227.0/24 217.11.228.0/23 217.11.230.0/24 217.11.235.0/24 217.11.236.0/24 217.11.242.0/24 217.11.248.0/23 217.11.251.0/24 217.11.254.0/24 2001:1528::/32

Source: RIPEstat (RIPE NCC RIS, Routinator, IRR); AS names: Team Cymru

Open in ASN & BGP prefix lookup
Registration Found at rdap.db.ripe.net.
  • Pass: Found at rdap.db.ripe.net.
NameCASABLANCA-AS
HandleAS15685
RangeAS15685
Statusactive
Registered2002-09-24T11:50:27Z
Last changed2026-08-10T10:02:04Z
Abuse contactabuse@casablanca.cz
Allocation
Registry (RIR)RIPE NCC
CountryCzechia (CZ)
Delegated on2000-09-11
StatusAllocated
Delegated rangeAS15685

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

Contacts
RoleNameEmail
registrant CASABLANCA-CORE-MNT
registrant CASABLANCA INT a.s.
registrant RIPE-NCC-END-MNT
abuse Casablanca INT RIPE manager abuse@casablanca.cz

Source: https://rdap.db.ripe.net/autnum/15685. Registration data from rdap.db.ripe.net, shown under its terms of use (terms): not for marketing or bulk collection. Personal contacts in this registry are not shown.

Open in WHOIS / RDAP lookup
PeeringDB No public NOC, policy or technical contact.
  • Pass: AS15685 is in PeeringDB as Casablanca INT a.s..
  • Info: Peering policy: Open.
  • Info: Present at 1 internet exchanges with 2 ports (70G in total).
  • Warning: No public NOC, policy or technical contact.
NetworkCasablanca INT a.s.
AS numberAS15685
TypeContent, Europe
Websitehttp://www.casablanca.cz
IRR as-setRIPE::AS-CASABLANCA-NIX
Prefixes (IPv4 / IPv6)1000 / 100
Traffic20-50Gbps, Mostly Outbound
Peering policyOpen
LocationsNot Required
Ratio requiredNo
ContractsNot Required
Last updated2026-11-03
Contacts
Abuseabuse@casablanca.cz

Source: PeeringDB. Results are cached for an hour.

Open in PeeringDB lookup