157.255.0.0/18
Nobody announces 157.255.0.0/18 on its own; it is covered by 157.255.0.0/16 AS17816 CHINA169-GZ. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 157.255.0.0/18
Prefix
Origin
not announced
Size
16,384 addresses
Less specific
More specifics
49
IRR route objects
1 exact, 3 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 157.255.0.0/16 | /16 | AS17816 CHINA169-GZ | APNIC |
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 |
|---|---|---|---|---|
| 157.255.0.0/18 | AS136958 UNICOM-GuangZhou-IDC | APNIC | China Unicom CHINA169 Guangdong Network | MAINT-CNCGROUP-RR |
| 157.255.0.0/16 covering | AS17816 CHINA169-GZ | APNIC | China Unicom Guangdong Province Network | MAINT-CNCGROUP-RR |
| 157.255.0.0/16 covering | AS17816 CHINA169-GZ | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 157.255.0.0/16 covering | AS17816 CHINA169-GZ | RADB | CMI (Customer Route) | MAINT-AS58453 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 157.255.0.0/18
49 announced prefixes fall inside this one.
Show the 49 prefixes
157.255.0.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.1.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.2.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.3.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.4.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.5.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.6.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.7.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.8.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.9.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.10.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.11.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.12.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.13.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.14.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.15.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.16.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.17.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.18.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.19.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.20.0/23 AS136958 UNICOM-GuangZhou-IDC157.255.22.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.23.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.27.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.28.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.29.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.30.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.32.0/21 AS136958 UNICOM-GuangZhou-IDC157.255.33.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.34.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.35.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.40.0/21 AS136958 UNICOM-GuangZhou-IDC157.255.42.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.45.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.48.0/21 AS136958 UNICOM-GuangZhou-IDC157.255.48.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.49.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.50.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.51.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.52.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.55.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.56.0/21 AS136958 UNICOM-GuangZhou-IDC157.255.56.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.57.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.58.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.59.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.60.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.61.0/24 AS136958 UNICOM-GuangZhou-IDC157.255.62.0/24 AS136958 UNICOM-GuangZhou-IDC