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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

AS12387 · 

curl -s "https://thenetworkery.com/api/v1/network-report?query=AS12387"
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Warning: AS12387 (TON) announces 4 IPv4 and 1 IPv6 prefixes. 1 warning

AS pageAS12387
HolderTON TON Total optical Networks AG
AllocationRIPE NCC, Switzerland (CH), allocated 2007-04-27
Prefixes (IPv4 / IPv6)4 / 1
RPKI valid100% (5 / 5)
Upstreams and peers44
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 AS12387 announces 4 IPv4 and 1 IPv6 prefixes.
  • Pass: AS12387 announces 4 IPv4 and 1 IPv6 prefixes.
  • Pass: All 5 announced prefixes are RPKI valid.
  • Pass: Every announced prefix has an IRR route object.
  • Info: 44 upstreams and peers, 26 downstream networks seen.
HolderTON TON Total optical Networks AG
IPv4 prefixes4
IPv6 prefixes1
RPKI5 valid
Downstream networks26

Upstreams and peers seen to the left 44

AS6939 Hurricane Electric AS33891 Core-Backbone AS4455 BSO AS9002 RETN AS23764 CTGNet AS6730 Sunrise GmbH AS34549 meerfarbig GmbH & Co. KG AS34019 Hivane AS43531 IX Reach AS4230 Claro AS6057 ANTEL AS34927 FogNet

Announced prefixes 5

77.237.192.0/19 77.237.206.0/23 77.237.208.0/23 195.4.176.0/22 2a00:c10::/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.
NameTON
HandleAS12387
RangeAS12387
Statusactive
Registered1970-01-01T00:00:00Z
Last changed2026-09-30T15:06:44Z
Abuse contactabuse@ton-net.com
Allocation
Registry (RIR)RIPE NCC
CountrySwitzerland (CH)
Delegated on2007-04-27
StatusAllocated
Delegated rangeAS12387

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

Contacts
RoleNameEmail
registrant TON Total optical Networks AG
registrant RIPE-NCC-END-MNT
registrant TON-MNT
abuse TON AG abuse@ton-net.com

Source: https://rdap.db.ripe.net/autnum/12387. 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: AS12387 is in PeeringDB as TON Total Optical Networks AG.
  • Info: Peering policy: Open.
  • Info: Present at 3 internet exchanges with 4 ports (40G in total).
  • Warning: No public NOC, policy or technical contact.
NetworkTON Total Optical Networks AG
AS numberAS12387
TypeNSP, Regional
Websitehttp://www.ton-net.com
IRR as-setAS-TON
Prefixes (IPv4 / IPv6)200 / 200
Traffic10-20Gbps, Mostly Inbound
Peering policyOpen
LocationsNot Required
Ratio requiredNo
ContractsNot Required
Last updated2026-04-07

Source: PeeringDB. Results are cached for an hour.

Open in PeeringDB lookup