2001:250:1000::/40
Nobody announces 2001:250:1000::/40 on its own; it is covered by 2001:250::/32 AS23910 CNGI-CERNET2-AS-AP. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 2001:250:1000::/40
Prefix
Origin
not announced
Size
16,777,216 /64s
Less specific
More specifics
50
IRR route objects
1 exact, 5 covering
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 2001:250:1000::/40 | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:1000::/39 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:1000::/38 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:1000::/37 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:1000::/36 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250::/35 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 2001:250:1000::/40
50 announced prefixes fall inside this one.
Show the 50 prefixes
2001:250:1001::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1002::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1003::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1004::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1005::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1006::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1007::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1008::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1009::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:100a::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:100b::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:100c::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:100e::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:100f::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1010::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1011::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1012::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1013::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1014::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1015::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1016::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1017::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1018::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1019::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:101a::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:101b::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:101c::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:101d::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:101e::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:101f::/48 AS4538 ERX-CERNET-BKB2001:250:1020::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1021::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1022::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1024::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1026::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1027::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1028::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1029::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:102a::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:102b::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:102c::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:102d::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:102e::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:102f::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1030::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1031::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1032::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1033::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1034::/48 AS24353 CNGI-XA-IX-AS-AP2001:250:1035::/48 AS24353 CNGI-XA-IX-AS-AP