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AS1237

KREONET-AS-KR-KR

KISTI

Registry

Authoritative registration data

AS number
1237
Name
KREONET-AS-KR-KR
Organisation
KISTI
Country
Flag of South Korea KR South Korea
RIR
APNIC
Registered
—
Source:asn:rdap retrieved

IPv4 prefixes

212

IPv6 prefixes

1

Total announced

213

Announced prefixes

Observed in BGP by route collectors, not a registry allocation list

Prefixes announced by AS1237
134.75.0.0/16 IPv4 /16 RPKI valid
150.183.0.0/16 IPv4 /16 not checked
203.250.192.0/18 IPv4 /18 RPKI valid
203.250.0.0/19 IPv4 /19 not checked
210.119.64.0/19 IPv4 /19 not checked
203.247.192.0/20 IPv4 /20 not checked
203.253.96.0/20 IPv4 /20 RPKI valid
203.254.176.0/20 IPv4 /20 not checked
210.107.160.0/20 IPv4 /20 RPKI valid
210.110.144.0/20 IPv4 /20 not checked
210.119.48.0/20 IPv4 /20 not checked
210.125.32.0/20 IPv4 /20 RPKI valid
147.47.120.0/21 IPv4 /21 not checked
203.230.24.0/21 IPv4 /21 RPKI valid
203.230.64.0/21 IPv4 /21 RPKI valid
203.241.40.0/21 IPv4 /21 not checked
203.250.112.0/21 IPv4 /21 RPKI valid
203.250.160.0/21 IPv4 /21 not checked
203.250.176.0/21 IPv4 /21 RPKI valid
203.250.96.0/21 IPv4 /21 RPKI valid
210.107.152.0/21 IPv4 /21 not checked
210.110.128.0/21 IPv4 /21 not checked
210.110.224.0/21 IPv4 /21 not checked
210.117.240.0/21 IPv4 /21 not checked
210.119.40.0/21 IPv4 /21 RPKI valid
210.125.56.0/21 IPv4 /21 not checked
210.125.64.0/21 IPv4 /21 RPKI valid
210.218.208.0/21 IPv4 /21 RPKI valid
210.219.56.0/21 IPv4 /21 RPKI valid
210.98.48.0/21 IPv4 /21 not checked
202.30.40.0/22 IPv4 /22 RPKI valid
202.30.60.0/22 IPv4 /22 not checked
203.230.108.0/22 IPv4 /22 RPKI valid
203.230.60.0/22 IPv4 /22 not checked
203.230.76.0/22 IPv4 /22 not checked
203.230.8.0/22 IPv4 /22 not checked
203.241.120.0/22 IPv4 /22 not checked
203.247.160.0/22 IPv4 /22 RPKI valid
203.247.172.0/22 IPv4 /22 not checked
203.247.176.0/22 IPv4 /22 RPKI valid
203.247.216.0/22 IPv4 /22 RPKI valid
203.250.156.0/22 IPv4 /22 RPKI valid
203.250.172.0/22 IPv4 /22 RPKI valid
203.253.136.0/22 IPv4 /22 not checked
203.253.140.0/22 IPv4 /22 RPKI valid
210.107.248.0/22 IPv4 /22 not checked
210.110.192.0/22 IPv4 /22 not checked
210.110.236.0/22 IPv4 /22 RPKI valid
210.117.248.0/22 IPv4 /22 not checked
210.119.96.0/22 IPv4 /22 not checked
210.218.216.0/22 IPv4 /22 not checked
210.219.36.0/22 IPv4 /22 RPKI valid
210.219.48.0/22 IPv4 /22 not checked
210.98.28.0/22 IPv4 /22 not checked
210.98.60.0/22 IPv4 /22 RPKI valid
210.98.8.0/22 IPv4 /22 not checked
134.75.52.0/23 IPv4 /23 RPKI valid
203.230.116.0/23 IPv4 /23 RPKI valid
203.230.16.0/23 IPv4 /23 not checked
203.230.22.0/23 IPv4 /23 RPKI valid
203.230.74.0/23 IPv4 /23 RPKI valid
203.241.116.0/23 IPv4 /23 not checked
203.241.170.0/23 IPv4 /23 RPKI valid
203.241.172.0/23 IPv4 /23 not checked
203.247.164.0/23 IPv4 /23 not checked
203.247.170.0/23 IPv4 /23 RPKI valid
203.247.180.0/23 IPv4 /23 RPKI valid
203.247.190.0/23 IPv4 /23 RPKI valid
203.253.224.0/23 IPv4 /23 not checked
203.253.230.0/23 IPv4 /23 not checked
203.253.234.0/23 IPv4 /23 RPKI valid
203.254.168.0/23 IPv4 /23 not checked
210.107.252.0/23 IPv4 /23 not checked
210.110.196.0/23 IPv4 /23 RPKI valid
210.110.206.0/23 IPv4 /23 not checked
210.110.254.0/23 IPv4 /23 RPKI valid
210.114.104.0/23 IPv4 /23 not checked
210.117.210.0/23 IPv4 /23 RPKI valid
210.117.214.0/23 IPv4 /23 not checked
210.117.226.0/23 IPv4 /23 not checked
210.117.228.0/23 IPv4 /23 RPKI valid
210.117.238.0/23 IPv4 /23 not checked
210.117.252.0/23 IPv4 /23 RPKI valid
210.119.100.0/23 IPv4 /23 RPKI valid
210.119.114.0/23 IPv4 /23 RPKI valid
210.119.122.0/23 IPv4 /23 RPKI valid
210.119.124.0/23 IPv4 /23 RPKI valid
210.119.20.0/23 IPv4 /23 not checked
210.119.36.0/23 IPv4 /23 RPKI valid
210.125.84.0/23 IPv4 /23 RPKI valid
210.218.202.0/23 IPv4 /23 RPKI valid
210.218.204.0/23 IPv4 /23 not checked
210.218.206.0/23 IPv4 /23 not checked
210.219.34.0/23 IPv4 /23 RPKI valid
210.219.40.0/23 IPv4 /23 RPKI valid
210.219.62.0/23 IPv4 /23 not checked
210.98.14.0/23 IPv4 /23 not checked
210.98.24.0/23 IPv4 /23 RPKI valid
210.98.6.0/23 IPv4 /23 RPKI valid
134.75.20.0/24 IPv4 /24 RPKI valid
134.75.250.0/24 IPv4 /24 RPKI valid
147.47.124.0/24 IPv4 /24 not checked
147.47.125.0/24 IPv4 /24 RPKI not found
150.183.11.0/24 IPv4 /24 not checked
202.31.182.0/24 IPv4 /24 RPKI not found
203.230.0.0/24 IPv4 /24 not checked
203.230.116.0/24 IPv4 /24 RPKI valid
203.230.120.0/24 IPv4 /24 RPKI valid
203.230.126.0/24 IPv4 /24 RPKI valid
203.230.2.0/24 IPv4 /24 not checked
203.230.3.0/24 IPv4 /24 RPKI valid
203.230.6.0/24 IPv4 /24 not checked
203.230.7.0/24 IPv4 /24 RPKI valid
203.230.72.0/24 IPv4 /24 not checked
203.230.73.0/24 IPv4 /24 not checked
203.233.155.0/24 IPv4 /24 RPKI valid
203.233.156.0/24 IPv4 /24 RPKI valid
203.241.118.0/24 IPv4 /24 RPKI valid
203.241.164.0/24 IPv4 /24 not checked
203.241.165.0/24 IPv4 /24 RPKI valid
203.241.169.0/24 IPv4 /24 RPKI valid
203.241.174.0/24 IPv4 /24 not checked
203.247.167.0/24 IPv4 /24 not checked
203.247.184.0/24 IPv4 /24 not checked
203.247.185.0/24 IPv4 /24 not checked
203.247.187.0/24 IPv4 /24 RPKI valid
203.247.188.0/24 IPv4 /24 RPKI valid
203.247.64.0/24 IPv4 /24 RPKI valid
203.247.69.0/24 IPv4 /24 not checked
203.247.73.0/24 IPv4 /24 RPKI valid
203.250.110.0/24 IPv4 /24 not checked
203.250.155.0/24 IPv4 /24 not checked
203.250.156.0/24 IPv4 /24 not checked
203.250.182.0/24 IPv4 /24 not checked
203.250.183.0/24 IPv4 /24 not checked
203.253.135.0/24 IPv4 /24 not checked
203.253.226.0/24 IPv4 /24 RPKI valid
203.253.236.0/24 IPv4 /24 RPKI valid
203.253.238.0/24 IPv4 /24 RPKI valid
203.254.175.0/24 IPv4 /24 not checked
203.254.179.0/24 IPv4 /24 not checked
203.254.180.0/24 IPv4 /24 not checked
203.254.181.0/24 IPv4 /24 RPKI valid
203.254.185.0/24 IPv4 /24 not checked
203.254.186.0/24 IPv4 /24 not checked
203.254.40.0/24 IPv4 /24 not checked
210.107.144.0/24 IPv4 /24 not checked
210.107.146.0/24 IPv4 /24 RPKI valid
210.107.254.0/24 IPv4 /24 RPKI valid
210.110.143.0/24 IPv4 /24 RPKI valid
210.110.182.0/24 IPv4 /24 not checked
210.110.183.0/24 IPv4 /24 not checked
210.110.184.0/24 IPv4 /24 not checked
210.110.189.0/24 IPv4 /24 RPKI valid
210.110.190.0/24 IPv4 /24 RPKI valid
210.110.191.0/24 IPv4 /24 RPKI valid
210.110.198.0/24 IPv4 /24 RPKI valid
210.110.205.0/24 IPv4 /24 RPKI valid
210.110.232.0/24 IPv4 /24 not checked
210.110.235.0/24 IPv4 /24 RPKI valid
210.110.252.0/24 IPv4 /24 not checked
210.114.106.0/24 IPv4 /24 RPKI valid
210.114.108.0/24 IPv4 /24 RPKI valid
210.117.192.0/24 IPv4 /24 RPKI valid
210.117.193.0/24 IPv4 /24 RPKI valid
210.117.194.0/24 IPv4 /24 not checked
210.117.197.0/24 IPv4 /24 RPKI valid
210.117.198.0/24 IPv4 /24 not checked
210.117.208.0/24 IPv4 /24 not checked
210.117.209.0/24 IPv4 /24 RPKI valid
210.117.211.0/24 IPv4 /24 not checked
210.117.212.0/24 IPv4 /24 not checked
210.117.216.0/24 IPv4 /24 not checked
210.117.217.0/24 IPv4 /24 RPKI valid
210.117.218.0/24 IPv4 /24 not checked
210.117.219.0/24 IPv4 /24 not checked
210.117.224.0/24 IPv4 /24 not checked
210.117.225.0/24 IPv4 /24 RPKI valid
210.117.230.0/24 IPv4 /24 RPKI valid
210.117.236.0/24 IPv4 /24 not checked
210.119.113.0/24 IPv4 /24 not checked
210.119.116.0/24 IPv4 /24 RPKI valid
210.119.126.0/24 IPv4 /24 RPKI valid
210.119.37.0/24 IPv4 /24 RPKI valid
210.119.71.0/24 IPv4 /24 RPKI valid
210.119.72.0/24 IPv4 /24 RPKI valid
210.125.0.0/24 IPv4 /24 not checked
210.125.107.0/24 IPv4 /24 not checked
210.125.69.0/24 IPv4 /24 not checked
210.218.192.0/24 IPv4 /24 RPKI valid
210.218.201.0/24 IPv4 /24 not checked
210.218.203.0/24 IPv4 /24 RPKI valid
210.219.32.0/24 IPv4 /24 RPKI valid
210.219.42.0/24 IPv4 /24 not checked
210.219.45.0/24 IPv4 /24 RPKI valid
210.219.47.0/24 IPv4 /24 not checked
210.219.52.0/24 IPv4 /24 RPKI valid
210.219.55.0/24 IPv4 /24 RPKI valid
210.219.62.0/24 IPv4 /24 RPKI valid
210.98.12.0/24 IPv4 /24 RPKI valid
210.98.26.0/24 IPv4 /24 RPKI valid
210.98.44.0/24 IPv4 /24 not checked
210.98.47.0/24 IPv4 /24 RPKI valid
210.98.48.0/24 IPv4 /24 RPKI valid
210.98.5.0/24 IPv4 /24 not checked
210.98.52.0/24 IPv4 /24 not checked
210.98.54.0/24 IPv4 /24 not checked
210.98.56.0/24 IPv4 /24 RPKI valid
210.98.59.0/24 IPv4 /24 not checked
211.213.190.0/24 IPv4 /24 RPKI not found
218.233.7.0/24 IPv4 /24 RPKI not found
218.234.156.0/24 IPv4 /24 not checked
2001:320::/32 IPv6 /32 not checked

No rows match “”.

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Source:ripestat:announced-prefixes observed

Internet Exchanges

Exchanges where this network has a listed peering LAN connection

Internet Exchange memberships listed for AS1237
Address families
KINX — IPv4 · IPv6

No rows match “”.

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Source:peeringdb retrieved

Exchange membership means the network has a listed connection; it does not prove peering with other members.

Observed adjacencies

Networks seen next to AS1237 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

4 networks seen before AS1237 in AS paths

Observed upstreams
Families
AS17579 KREONET2-AS-KR-KR 4,064 68,196
v4 v6
AS4766 KIXS-AS-KR-KR 2,000 16,823
v4 v6
AS399861 MOBITE-NET 151 2,376
v4
AS9318 SKB-AS-KR 4 15
v4

No rows match “”.

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Observed downstreams

43 networks seen after AS1237 in AS paths

Observed downstreams
Families
AS9568 KIMM-AS-KR-KR 160 6,208
v4
AS18297 KJISTNET-AS-KR-KR 159 5,238
v4
AS7564 KAERINET-AS-KR 100 3,647
v4
AS131795 KIER-AS-KR-KR 158 2,522
v4
AS9317 ITISNET-AS-KR 39 2,499
v4
AS9949 HOSEO-AS-KR 161 1,942
v4
AS10052 KNU-AS-KR 190 1,910
v4
AS24026 KFE-AS-KR-KR 158 1,746
v4
AS2385 KRIBB-AS-KR-KR 159 1,738
v4
AS9488 SNU-AS-KR-KR 158 1,725
v4
AS17595 KINSNET-AS-KR-KR 164 1,552
v4
AS9489 KARINET-AS-KR 277 1,537
v4
AS9637 KBSI-AS-KR-KR 158 1,358
v4
AS17856 KONYANG-AS-KR-KR 156 1,344
v4
AS45379 UNIST-AS-KR-KR 162 1,318
v4
AS9275 KASI-AS-KR-KR 94 788
v4
AS17579 KREONET2-AS-KR-KR 63 746
v4
AS9695 KOEXP-AS-KR-KR 162 744
v4
AS18034 KANGNUNG-AS-KR-KR 34 658
v4
AS1704 KAIST-SEOUL-AS-KR-KR 247 604
v4
AS18026 CHEJU-AS-KR-KR 39 595
v4
AS131830 IBS-AS-KR-KR 159 579
v4
AS1781 KAIST-DAEJEON-AS-KR-KR 92 472
v4
AS38426 KREI-AS-KR-KR 162 417
v4
AS23596 EDNSKR-KR-KR 283 414
v4 v6
AS10070 KRISS-AS-KR 159 388
v4
AS18336 KIOM-AS-KR-KR 158 388
v4
AS152212 IRIS-AS-KR-KR 158 388
v4
AS55616 DGIST-AS-KR-KR 152 376
v4
AS152671 SPARCS-AS-KR 284 352
v4 v6
AS9686 SKKUNET-AS-KR 31 287
v4
AS3784 POSTECH-AS-KR-KR 86 257
v4
AS10162 SNUH-AS-KR-KR 160 194
v4
AS17866 KISTNET-AS-KR-KR 159 194
v4
AS131869 USTKREONET-AS-KR-KR 158 194
v4
AS10063 KMA-AS-KR 156 191
v4
AS10187 KISDI-AS-KR-KR 156 179
v4
AS7560 CHONBUK-AS-KR 5 90
v4
AS38696 KBRI-AS-KR-KR 39 50
v4
AS45963 KIRAMS-AS-KR-KR 39 50
v4
AS55589 KITECH-AS-KR-KR 4 31
v4
AS18298 CNUNET-AS-KR-KR 23 30
v4
AS9270 APAN-KR-AS-KR 2 26
v4

No rows match “”.

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Note:
These are observed adjacencies derived from BGP path data, not confirmed commercial relationships. A network appearing before another in an AS path does not establish that it is a paying transit customer, a settlement free peer, or anything else contractual.