2001:250:3800::/37
Nobody announces 2001:250:3800::/37 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 2001:250:3800::/37
Prefix
Origin
not announced
Size
134,217,728 /64s
Less specific
More specifics
54
IRR route objects
1 exact, 2 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 |
|---|---|---|---|---|
| 2001:250:3800::/37 | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:3000::/36 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:2000::/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 2001:250:3800::/37
54 announced prefixes fall inside this one.
Show the 54 prefixes
2001:250:3800::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3801::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3802::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3803::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3806::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3808::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3809::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:380a::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:380b::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:380c::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:380d::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:380e::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:380f::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3810::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3811::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3813::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3814::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3816::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3817::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3818::/48 AS138440 CNGI-HAK-IX-AS-AP2001:250:3c00::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c01::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c02::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c03::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c04::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c05::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c06::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c07::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c08::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c09::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c0a::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c0b::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c0c::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c0d::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c0e::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c0f::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c11::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c13::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c14::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c15::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c16::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c17::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c18::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c19::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c1a::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c1b::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c1c::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c1d::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c1e::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c20::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c22::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c23::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c25::/48 AS138369 CNGI-SZH-IX-AS-AP2001:250:3c26::/48 AS138369 CNGI-SZH-IX-AS-AP