2001:250:4400::/40
Nobody announces 2001:250:4400::/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 2001:250:4400::/40
Prefix
Origin
not announced
Size
16,777,216 /64s
Less specific
More specifics
40
IRR route objects
1 exact, 6 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 |
|---|---|---|---|---|
| 2001:250:4400::/40 | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:4400::/39 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:4400::/38 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:4000::/37 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:4000::/36 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:4000::/35 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
| 2001:250:4000::/34 covering | AS4538 ERX-CERNET-BKB | APNIC | China Education and Research Network (CERNET) FIT 3-220, Tsinghua University | MAINT-CERNET-AP |
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Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 2001:250:4400::/40
40 announced prefixes fall inside this one.
Show the 40 prefixes
2001:250:4400::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4401::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4402::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4403::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4404::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4405::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4406::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4407::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4408::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4409::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:440a::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:440b::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:440c::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:440d::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:440e::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:440f::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4410::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4411::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4412::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4413::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4414::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4415::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4416::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4417::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4419::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:441a::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:441b::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:441c::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:441d::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:441e::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:441f::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4420::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4421::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4422::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4423::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4424::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4425::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4426::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4427::/48 AS24359 CNGI-CHS-IX-AS-AP2001:250:4428::/48 AS24359 CNGI-CHS-IX-AS-AP