HomePrefix Lookup219.242.0.0/15

219.242.0.0/15

🇨🇳
CIDR
219.242.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇨🇳 China
City
Haidian (Haidian Qu)
RIR
APNIC
Status
allocated
Allocated
7/11/2002

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
219.242.0.0/15AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA
RADB
6/13/2026

Covering Prefix

94 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
219.242.128.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.192.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.240.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.224.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.0.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.80.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.32.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.32.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.96.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.208.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.64.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.48.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.112.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.224.0/20AS24348CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua UniversityNo ROA—6/13/2026
219.242.32.0/20AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.208.0/20AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.192.0/20AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.128.0/20AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.96.0/20AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.64.0/20AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.242.240.0/20AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.242.112.0/20AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.243.80.0/20AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.32.0/20AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.48.0/20AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.0.0/20AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.64.0/20AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA—6/13/2026
219.242.24.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.176.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.208.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.48.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.16.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.144.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.136.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.56.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.128.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.184.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.176.0/21AS24348CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua UniversityNo ROA—6/13/2026
219.242.56.0/21AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.242.48.0/21AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.243.16.0/21AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.144.0/21AS138374CNGI-TYN-IX-AS-AP - CERNET2 regional IX at Taiyuan UniversityNo ROA—6/13/2026
219.243.136.0/21AS138374CNGI-TYN-IX-AS-AP - CERNET2 regional IX at Taiyuan UniversityNo ROA—6/13/2026
219.243.128.0/21AS138374CNGI-TYN-IX-AS-AP - CERNET2 regional IX at Taiyuan UniversityNo ROA—6/13/2026
219.242.16.0/22AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.176.0/22AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.20.0/22AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.24.0/22AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.20.0/22AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.16.0/22AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.243.24.0/22AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.210.0/23AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.51.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.116.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.24.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.26.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.136.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.128.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.28.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.50.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.242.49.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
219.243.116.0/24AS24348CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua UniversityNo ROA—6/13/2026
219.242.208.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.33.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.34.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.35.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.36.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.37.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.38.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.39.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.40.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.41.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.42.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.43.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.44.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.45.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.46.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.16.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.20.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.128.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.32.0/24AS24349CNGI-BJ-IX3-AS-AP - CERNET2 IX at Peking UniversityNo ROA—6/13/2026
219.242.24.0/24AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.242.51.0/24AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.242.50.0/24AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.242.49.0/24AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.242.28.0/24AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.242.26.0/24AS24350CNGI-BJ-IX4-AS-AP - CERNET2 IX at Beijing University of Posts and TelecommunicationsNo ROA—6/13/2026
219.243.39.0/24AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.24.0/24AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.10.0/24AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.95.0/24AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.38.0/24AS24352CNGI-TJN-IX-AS-AP - CERNET2 IX at Tianjin UniversityNo ROA—6/13/2026
219.243.117.0/24AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal UniversityNo ROA—6/13/2026
219.243.136.0/24AS138374CNGI-TYN-IX-AS-AP - CERNET2 regional IX at Taiyuan UniversityNo ROA—6/13/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS4538RADBMAINT-AS463711/13/2023
Geolocation
Country🇨🇳ChinaCN
RegionBeijing
CityHaidian (Haidian Qu)
GEThttps://api.ipctl.io/v1/prefix/219.242.0.0/15

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/219.242.0.0/15" | jq