asn.dev

Address space

AS17579 KREONET2-AS-KR KISTI

Education RIPE

IPv4 prefixes 19 6.91K addresses
IPv6 prefixes 16
Most common size /24 IPv4
Flagged 16

Shape

IPv4 prefix sizes

All IPv4
/22
/22: 2
2
/23
/23: 2
2
/24
/24: 15
15

A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

IPv6 prefix sizes

All IPv6
/49
/49: 1
1
/50
/50: 1
1
/51
/51: 1
1
/52
/52: 1
1
/53
/53: 1
1
/54
/54: 1
1
/55
/55: 1
1
/56
/56: 1
1
/57
/57: 1
1
/58
/58: 1
1
/59
/59: 1
1
/60
/60: 1
1
/61
/61: 1
1
/62
/62: 1
1
/63
/63: 2
2

Geography

Where the space lands

CountryNamePrefixes
KRKorea, Republic of35

Review

Flagged prefixes

16 of 35
PrefixFamilyAddressesCountryFlags
2001:320:15::/56IPv6/56KRToo specific
2001:320:15:100::/59IPv6/59KRToo specific
2001:320:15:120::/62IPv6/62KRToo specific
2001:320:15:124::/63IPv6/63KRToo specific
2001:320:15:126::/63IPv6/63KRToo specific
2001:320:15:128::/61IPv6/61KRToo specific
2001:320:15:130::/60IPv6/60KRToo specific
2001:320:15:140::/58IPv6/58KRToo specific
2001:320:15:180::/57IPv6/57KRToo specific
2001:320:15:200::/55IPv6/55KRToo specific
2001:320:15:400::/54IPv6/54KRToo specific
2001:320:15:800::/53IPv6/53KRToo specific
2001:320:15:1000::/52IPv6/52KRToo specific
2001:320:15:2000::/51IPv6/51KRToo specific
2001:320:15:4000::/50IPv6/50KRToo specific
2001:320:15:8000::/49IPv6/49KRToo specific

A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.