AS9848 — SEJONGTELECOM-AS-KR SEJONG NETWORKS

Network type: residential

AS9848 announces 556 IPv4 prefixes covering 798,786 addresses and 13 IPv6 prefixes.

About this network

SK Broadband (SKB) is one of South Korea's major fixed-line broadband providers, part of the SK Telecom group.

What it's used for

• Fibre and cable home internet, plus IPTV, for South Korean households.

Notable

• A large "eyeball" network: addresses here are consumer home connections, not servers.
• SK Broadband is a top-three Korean fixed ISP alongside KT and LG U+, and the fixed-broadband arm of mobile carrier SK Telecom.

Interesting

• It grew from the former Hanaro Telecom, one of Korea's early broadband pioneers, into SK's fixed-line business.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 58.180.7.0/24
• 58.180.101.8/32
• 58.180.133.0/24
• 58.180.136.0/24
• 58.180.230.145/32
• 61.97.64.0/20
• 61.97.96.0/23
• 61.97.103.0/24
• 61.97.104.0/21
• 61.100.16.0/21
• 61.100.24.0/24
• 61.100.30.0/23
• 61.100.32.0/21
• 61.100.56.0/21
• 61.100.64.0/22
• 61.100.68.0/23
• 61.100.70.0/24
• 61.100.73.0/24
• 61.100.74.0/23
• 61.100.76.0/22
• 61.100.80.0/21
• 61.100.89.0/24
• 61.100.90.0/23
• 61.100.92.0/22
• 61.100.96.0/19
• 61.100.128.0/19
• 61.100.160.0/20
• 61.100.176.0/22
• 61.100.180.146/32
• 61.100.189.0/24
• 61.100.190.0/24
• 61.109.128.0/20
• 61.109.144.0/22
• 61.109.148.0/23
• 61.109.151.0/24
• 61.109.152.0/22
• 61.109.156.0/23
• 61.109.165.0/24
• 61.109.166.0/23
• 61.109.168.0/21
• 61.109.176.0/20
• 61.109.197.0/24
• 61.109.198.0/23
• 61.109.200.0/21
• 61.109.208.0/23
• 61.109.210.0/24
• 61.109.212.0/24
• 61.109.219.0/24
• 61.109.224.0/21
• 61.109.234.0/24
• 61.109.242.0/23
• 61.109.248.0/23
• 61.109.251.0/24
• 61.111.179.0/24
• 61.250.64.0/20
• 61.250.80.0/22
• 61.250.89.0/24
• 61.250.90.0/24
• 61.250.94.0/23
• 61.250.96.0/22
• 61.250.100.0/23
• 61.250.102.0/24
• 61.250.108.0/23
• 61.250.110.0/24
• 61.250.112.0/20
• 61.252.160.0/21
• 61.252.170.0/23
• 61.252.179.0/24
• 61.252.180.0/22
• 61.252.184.0/23
• 61.252.189.0/24
• 61.252.190.0/24
• 64.23.64.0/23
• 64.23.66.0/24
• 64.23.69.0/24
• 64.23.70.0/24
• 64.23.72.0/21
• 114.199.18.245/32
• 114.199.34.60/32
• 114.199.48.245/32
• 114.199.53.234/32
• 202.30.147.1/32
• 202.30.147.5/32
• 202.30.147.9/32
• 202.30.147.13/32
• 202.30.147.17/32
• 202.30.147.21/32
• 202.30.147.34/32
• 202.30.147.46/32
• 202.30.147.65/32
• 202.30.147.69/32
• 202.30.147.73/32
• 202.30.147.77/32
• 202.30.147.81/32
• 202.30.147.85/32
• 202.30.147.93/32
• 202.30.147.129/32
• 202.30.147.133/32
• 202.30.147.137/32
• 202.30.147.141/32

and 469 more.

Upstream networks

• AS15412 Flag Telecom UK Limited
• AS58453 China Mobile International Limited
• AS3491 PCCW Global HK Ltd.
• AS4766 Korea Telecom
• AS6453 TATA COMMUNICATIONS AMERICA INC
• AS138195 MOACK.Co.LTD
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS9957 KINX
• AS23764 CTGNet
• AS9002 RETN Limited
• AS9318 SK Broadband Co Ltd
• AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC

Downstream networks

• AS4670 Shinbiro
• AS18300 KEPCO
• AS9952 Hostway IDC
• AS10036 DLIVE
• AS131866 Digital Edge Korea
• AS17589 GABIA Inc.
• AS45374 CCS
• AS17833 NCOM ltd.
• AS9781 GREEN CABLE TELEVISION STATION
• AS23588 KAKAO Enterprise
• AS38676 flexnetworks
• AS17837 NHN KCP Corp.
• AS10049 SK Co.
• AS4664 Shinbiro
• AS9973 BSITC
• AS9976 Namincheon Brodcasting Co., Ltd.
• AS10171 SKTelink
• AS18305 POSCO DX
• AS3608 Korea Rural Community Corporation
• AS131826 hy
• AS9646 eGIOS
• AS45361 Ulsan Jung-Ang Broadcasting Network
• AS139341 ACE
• AS45977 CANON KOREA INC.
• AS23593 bkl LLC

Adjacent networks

• AS3491 PCCW Global HK Ltd.
• AS4670 Shinbiro
• AS15412 Flag Telecom UK Limited
• AS18300 KEPCO
• AS23764 CTGNet
• AS9952 Hostway IDC
• AS58453 China Mobile International Limited
• AS6453 TATA COMMUNICATIONS AMERICA INC
• AS7562 HCN Dongjak
• AS4766 Korea Telecom
• AS10036 DLIVE
• AS131866 Digital Edge Korea
• AS46011 LX
• AS17589 GABIA Inc.
• AS6939 Hurricane Electric LLC
• AS45374 CCS
• AS17833 NCOM ltd.
• AS9781 GREEN CABLE TELEVISION STATION
• AS10049 SK Co.
• AS24482 SG.GS
• AS23588 KAKAO Enterprise
• AS38676 flexnetworks
• AS17837 NHN KCP Corp.
• AS4664 Shinbiro
• AS9973 BSITC

Routing security

• RPKI: 0 valid, 0 invalid and 228 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 94% of announcements registered; 515 route objects.
• Listed in as-sets: AS-138415, AS-9848ARCSTAR, AS-ANC, AS-CHTR-SYNC, AS-DACOM, AS-GLOBEINTERNET-CLIENTS, AS-GLOBEINTERNET-CLIENTS, AS-HURRICANE, AS-HURRICANEV6, AS-IIJ, AS-KDDCUSTOMER2, AS-KINX-TRANSIT, AS-KORNETBGP, AS-MFNX, AS-MOACK, AS-PACNET, AS-PACNET-CUSTOMER-PROXY-REGISTER, AS-RR-SYNC, AS-SEJONG, AS-SHINBIRO, AS-SKBROADBAND, AS-TBROAD, AS-TELSTRA-INTL-CUSTOMERS, AS-XO-B, AS198949:AS-SD.

Internet exchanges

• Equinix Internet Exchange Hong Kong — Hong Kong, China
• Korea Internet Neutral Exchange KINX — Seoul, South Korea