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.

AS12615 · 1 second ago

curl -s "https://thenetworkery.com/api/v1/network-report?query=AS12615"

JSON Docs

Warning: AS12615 (GCN-AS) announces 47 IPv4 and 1 IPv6 prefixes. 3 warnings

AS page	AS12615
Holder	GCN-AS Global Communication Net Plc
Allocation	RIPE NCC, Bulgaria (BG), allocated 2004-04-21
Prefixes (IPv4 / IPv6)	47 / 1
RPKI valid	23% (11 / 48)
Upstreams and peers	47
Peering policy	Open

What to fix

Warning

10 of 48 announced prefixes have no ROA (RPKI not found): 78.108.240.0/24, 78.108.241.0/24, 78.108.243.0/24, 83.222.161.0/24, 83.222.166.0/24 (+5).

Without a ROA, networks cannot tell your routes from a hijack.

Fix: Create a ROA for each at your RIR portal, with origin AS12615 and a max length equal to the prefix length:

78.108.240.0/24 AS12615 max-length /24
78.108.241.0/24 AS12615 max-length /24
78.108.243.0/24 AS12615 max-length /24
83.222.161.0/24 AS12615 max-length /24
83.222.166.0/24 AS12615 max-length /24
83.222.169.0/24 AS12615 max-length /24
83.222.171.0/24 AS12615 max-length /24
83.222.173.0/24 AS12615 max-length /24
83.222.174.0/24 AS12615 max-length /24
83.222.178.0/23 AS12615 max-length /23

Open in RPKI / ROA validator Guide

Warning
10 of 48 announced prefixes have no IRR route object: 87.246.12.0/22, 78.108.252.0/24, 109.160.41.0/24, 87.246.28.0/22, 109.160.45.0/24 (+5).

Many networks build their prefix filters from IRR data; without route objects some of them drop the routes.

Fix: Create route (IPv4) and route6 (IPv6) objects with origin AS12615 in your RIR’s IRR database (or RADB).
```
route: 87.246.12.0/22
origin: AS12615

route: 78.108.252.0/24
origin: AS12615

route: 109.160.41.0/24
origin: AS12615
```
Open in ASN & BGP prefix lookup
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 10 of 48 announced prefixes have no ROA (RPKI not found): 78.108.240.0/24, 78.108.241.0/24, 78.108.243.0/24, 83.222.161.0/24, 83.222.166.0/24 (+5).

Pass: AS12615 announces 47 IPv4 and 1 IPv6 prefixes.
Warning: 10 of 48 announced prefixes have no ROA (RPKI not found): 78.108.240.0/24, 78.108.241.0/24, 78.108.243.0/24, 83.222.161.0/24, 83.222.166.0/24 (+5).
Info: 11 of 48 announced prefixes are RPKI valid.
Info: The RPKI state of 27 prefixes was not looked up (no ROA of AS12615 covers them; only the first 10 are checked).
Warning: 10 of 48 announced prefixes have no IRR route object: 87.246.12.0/22, 78.108.252.0/24, 109.160.41.0/24, 87.246.28.0/22, 109.160.45.0/24 (+5).
Info: 47 upstreams and peers, 28 downstream networks seen.

Holder	GCN-AS Global Communication Net Plc
IPv4 prefixes	47
IPv6 prefixes	1
RPKI	11 valid · 10 not found · 27 not looked up
Without IRR route object	10
Downstream networks	28

Routes to fix

Prefix	RPKI
78.108.240.0/24	No ROA
78.108.241.0/24	No ROA
78.108.243.0/24	No ROA
83.222.161.0/24	No ROA
83.222.166.0/24	No ROA
83.222.169.0/24	No ROA
83.222.171.0/24	No ROA
83.222.173.0/24	No ROA
83.222.174.0/24	No ROA
83.222.178.0/23	No ROA

Upstreams and peers seen to the left 47

AS57463 NetIX Communications AS44901 BelCloud Ltd. AS9002 RETN AS1299 Arelion (Twelve99) AS174 Cogent Communications, Inc. AS3356 Lumen AS3356 AS1273 Vodafone Global Network AS6762 Telecom Italia Sparkle AS6939 Hurricane Electric AS3303 Swisscom AS34019 Hivane AS5405 Inter.link

Announced prefixes 48

78.108.240.0/24 78.108.241.0/24 78.108.243.0/24 78.108.252.0/24 83.222.161.0/24 83.222.166.0/24 83.222.169.0/24 83.222.171.0/24 83.222.173.0/24 83.222.174.0/24 83.222.178.0/23 83.222.181.0/24 83.222.183.0/24 87.246.0.0/20 87.246.0.0/24 87.246.1.0/24 87.246.4.0/24 87.246.5.0/24 87.246.12.0/22 87.246.28.0/22 87.246.44.0/23 87.246.44.0/24 87.246.61.0/24 87.246.62.0/24 87.246.63.0/24 109.160.0.0/24 109.160.1.0/24 109.160.8.0/24 109.160.9.0/24 109.160.41.0/24 109.160.44.0/24 109.160.45.0/24 109.160.80.0/21 109.160.81.0/24 109.160.99.0/24 109.160.114.0/23 109.160.118.0/24 109.160.119.0/24 109.160.120.0/24 109.160.121.0/24 185.43.59.0/24 212.5.59.0/24 212.70.130.0/23 212.70.132.0/23 212.70.151.0/24 212.70.158.0/24 212.70.159.0/24 2a02:2248::/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.

Name	GCN-AS
Handle	AS12615
Range	AS12615
Status	active
Registered	2004-04-21T09:50:37Z
Last changed	2024-11-20T08:49:01Z
Abuse contact	abuse@gcn.bg

Allocation

Registry (RIR)	RIPE NCC
Country	Bulgaria (BG)
Delegated on	2004-04-21
Status	Allocated
Delegated range	AS12615

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

Contacts

Role	Name	Email
registrant	LIR-GCN-MNT
registrant	Global Communication Net Plc
registrant	RIPE-NCC-END-MNT
abuse	GCN NOC	abuse@gcn.bg

Source: https://rdap.db.ripe.net/autnum/12615. 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: AS12615 is in PeeringDB as Global Communication Net AD.
Info: Peering policy: Open.
Info: Present at 5 internet exchanges with 8 ports (101G in total).
Warning: No public NOC, policy or technical contact.

Network	Global Communication Net AD (AS12615)
AS number	AS12615
Type	Cable/DSL/ISP, Europe
Website	http://www.gcn.bg/
IRR as-set	RIPE::AS-GCN-OUT
Prefixes (IPv4 / IPv6)	700 / 30
Traffic	50-100Gbps, Balanced
Peering policy	Open
Locations	Not Required
Ratio required	No
Contracts	Not Required
Looking glass	http://lglass.gcn.bg/
Last updated	2026-11-03

Source: PeeringDB. Results are cached for an hour.

Open in PeeringDB lookup