HomePrefix Lookup128.48.0.0/12

128.48.0.0/12

πŸ‡ΊπŸ‡Έ
IPv4RIPEassignedNo ROA
CIDR
128.48.0.0/12
IP Version
IPv4
Addresses
1M
Mask
/12 (255.240.0.0)
Country
πŸ‡ΊπŸ‡Έ United States
City
Oakland (Downtown Oakland)
RIR
RIPE
Status
assigned
Allocated
-

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

75 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
128.52.0.0/16AS3MIT-GATEWAYS - Massachusetts Institute of TechnologyNo ROAβ€”6/13/2026
128.63.0.0/16AS13DNIC-AS-00013 - Headquarters, USAISCNo ROAβ€”6/13/2026
128.59.0.0/16AS14COLUMBIA-GW - Columbia UniversityNo ROAβ€”6/13/2026
128.62.0.0/16AS18UTEXAS - University of Texas at AustinNo ROAβ€”6/13/2026
128.49.0.0/16AS22DNIC-AS-00022 - Navy Network Information Center (NNIC)No ROAβ€”6/13/2026
128.60.0.0/16AS48DNIC-AS-00048 - Navy Network Information Center (NNIC)No ROAβ€”6/13/2026
128.58.0.0/16AS72SCHLUMBERGER-AS - Schlumberger LimitedNo ROAβ€”6/13/2026
128.56.0.0/16AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROAβ€”6/13/2026
128.53.0.0/16AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.55.0.0/16AS2936NERSC - National Energy Research Scientific Computing Center Validβ€”6/13/2026
128.54.0.0/16AS7377UCSD - University of California, San Diego Validβ€”6/13/2026
128.61.128.0/17AS2637GEORGIA-TECH - Georgia Institute of Technology Validβ€”6/13/2026
128.61.64.0/18AS2637GEORGIA-TECH - Georgia Institute of Technology Validβ€”6/13/2026
128.53.160.0/19AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.192.0/19AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.96.0/19AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.61.0.0/19AS2637GEORGIA-TECH - Georgia Institute of Technology Validβ€”6/13/2026
128.61.32.0/19AS2637GEORGIA-TECH - Georgia Institute of Technology Validβ€”6/13/2026
128.48.224.0/19AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.48.32.0/19AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.48.64.0/19AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.48.160.0/19AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.48.0.0/19AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.53.240.0/20AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.16.0/20AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.80.0/20AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.128.0/20AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.61.0.0/20AS2637GEORGIA-TECH - Georgia Institute of Technology Validβ€”6/13/2026
128.61.16.0/20AS2637GEORGIA-TECH - Georgia Institute of Technology Validβ€”6/13/2026
128.61.48.0/20AS2637GEORGIA-TECH - Georgia Institute of Technology Validβ€”6/13/2026
128.61.64.0/20AS2637GEORGIA-TECH - Georgia Institute of Technology Validβ€”6/13/2026
128.61.80.0/20AS2637GEORGIA-TECH - Georgia Institute of Technology Validβ€”6/13/2026
128.57.0.0/20AS4922SHENTEL - Shenandoah Cable Television LLCNo ROAβ€”6/13/2026
128.53.144.0/21AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.56.0/21AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.232.0/21AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.64.0/21AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.48.208.0/21AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.48.96.0/21AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.48.104.0/21AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.53.156.0/22AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.4.0/22AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.228.0/22AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.76.0/22AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.48.132.0/22AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.48.220.0/22AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.48.216.0/22AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.48.128.0/22AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.57.128.0/23AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.53.224.0/23AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.72.0/23AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.152.0/23AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.57.136.0/23AS53434SRI-INTERNATIONAL-PRINCETON - SRI InternationalNo ROAβ€”6/13/2026
128.57.93.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.208.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.209.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.216.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.217.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.60.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.62.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.89.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.90.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.92.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.47.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.50.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.57.61.0/24AS264SRINET-AS - SRI InternationalNo ROAβ€”6/13/2026
128.53.154.0/24AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.74.0/24AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.155.0/24AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.226.0/24AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.227.0/24AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.53.75.0/24AS2514InfoSphere - NTT PC Communications, Inc. Validβ€”6/13/2026
128.48.202.0/24AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.48.137.0/24AS11293UCOP-ASN - University of California - Office of the PresidentNo ROAβ€”6/13/2026
128.57.186.0/24AS24155APBW-AS-TW - Asia Pacific Broadband Wireless Communications IncNo ROAβ€”6/13/2026

More Specific Prefixes

16
PrefixASCountryStatus
128.53.0.0/16AS2514πŸ‡―πŸ‡΅JPallocated
128.56.0.0/16AS749πŸ‡ΊπŸ‡ΈUSallocated
128.61.0.0/16πŸ‡ΊπŸ‡ΈUSallocated
128.50.0.0/16πŸ‡ΊπŸ‡ΈUSallocated
128.52.0.0/16AS3πŸ‡ΊπŸ‡ΈUSallocated
128.58.0.0/16AS72πŸ‡ΊπŸ‡ΈUSallocated
128.63.0.0/16AS13πŸ‡ΊπŸ‡ΈUSallocated
128.55.0.0/16AS2936πŸ‡ΊπŸ‡ΈUSallocated
128.51.0.0/16πŸ‡ΊπŸ‡ΈUSallocated
128.57.0.0/16πŸ‡ΊπŸ‡ΈUSallocated
128.62.0.0/16AS18πŸ‡ΊπŸ‡ΈUSallocated
128.54.0.0/16AS7377πŸ‡ΊπŸ‡ΈUSallocated
128.48.0.0/16AS1852πŸ‡ΊπŸ‡ΈUSallocated
128.49.0.0/16AS22πŸ‡ΊπŸ‡ΈUSallocated
128.59.0.0/16AS14πŸ‡ΊπŸ‡ΈUSallocated
128.60.0.0/16AS48πŸ‡ΊπŸ‡ΈUSallocated
Geolocation
CountryπŸ‡ΊπŸ‡ΈUnited StatesUS
RegionCalifornia
CityOakland (Downtown Oakland)
GEThttps://api.ipctl.io/v1/prefix/128.48.0.0/12

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

curl -s "https://api.ipctl.io/v1/prefix/128.48.0.0/12" | jq