Autonomous system
AS9976 ICNDP-AS-KR Namincheon Brodcasting Co., Ltd.
Residential APNIC
Summary
Namincheon Broadcasting (NIB)
legacy isp residential
AS9976 (ICNDP-AS-KR) is held by Namincheon Brodcasting Co., Ltd. (남인천방송, NIB), a regional cable system operator serving the Michuhol-gu and Yeonsu-gu districts of Incheon, South Korea. Alongside cable television it sells the usual Korean SO triple play: broadband internet and internet telephony. This AS is the broadband side of that business.
What it's used for
The routing shape is a classic mid-size eyeball access network. RIS sees 11 announced IPv4 prefixes carrying 92,160 addresses, no IPv6, and only 4 observed BGP neighbours. That combination is the tell: roughly 90,000 addresses is far more than any enterprise needs, but four neighbours is far too few for a wholesale carrier. It is a network that hands nearly all of its address space to its own subscribers and buys transit from a small number of upstreams. The blocks themselves are consistent with that reading: several /18s and /19s in Korean APNIC space (115.126.192.0/18, 183.91.192.0/18, 118.103.192.0/19, plus a run of /19s in 203/211/210 space) allocated in sizes appropriate to a cable modem pool rather than to servers.
Notable
- Incheon's cable market consolidated heavily into the large groups; NIB is the notable holdout that stayed independent, so its address space is not folded into a national operator's AS.
- The lack of any IPv6 announcement is worth flagging: subscribers on this network are IPv4-only from a BGP point of view.
- The
ICNDPhandle bears no relation to the company's public name, which is a good reminder that the RIR handle is not evidence of identity.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 1 exchange in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| Korea Internet Neutral Exchange KINX | Seoul, South Korea | 139.150.100.218 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-13, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 11 prefixes · 92.16K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| KR | Korea, Republic of | 11 |
Registry
Allocation record
- Registry
- APNIC
- Handle
AS9976- Registry name
- ICNDP-AS-KR-KR
- Abuse contact
- hostmaster@nic.or.kr
- Registered
- 2000-04-14
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 11 valid, 0 with no ROA
- ROAs
- 11 authorising AS9976
- ASPA
- no ASPA record
- IRR
- 100% registered · 11 of 11 announcements
- Route objects
- 28 naming AS9976
Reputation
Classification and threat
Residential Fixed-line consumer ISP. Addresses here are homes.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 440 networks and 1,773 prefixes, as published 2026-10-13. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere