3.172.0.0/18
Nobody announces 3.172.0.0/18 on its own; it is covered by 3.128.0.0/10 AS16509 AMAZON-02. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 3.172.0.0/18
Prefix
Origin
not announced
Size
16,384 addresses
Less specific
More specifics
60
IRR route objects
1 exact, 0 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 3.172.0.0/18 | /24 | AS16509 AMAZON-02 | ARIN |
| 3.160.0.0/11 | /11 | AS16509 AMAZON-02 | ARIN |
| 3.128.0.0/10 | /10 | AS16509 AMAZON-02 | ARIN |
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 |
|---|---|---|---|---|
| 3.172.0.0/18 | AS16509 AMAZON-02 | RADB | AWS CloudFront Prefix | MAINT-AS16509 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 3.172.0.0/18
60 announced prefixes fall inside this one.
Show the 60 prefixes
3.172.0.0/24 AS16509 AMAZON-023.172.1.0/24 AS16509 AMAZON-023.172.2.0/24 AS16509 AMAZON-023.172.3.0/24 AS16509 AMAZON-023.172.4.0/24 AS16509 AMAZON-023.172.5.0/24 AS16509 AMAZON-023.172.6.0/24 AS16509 AMAZON-023.172.7.0/24 AS16509 AMAZON-023.172.8.0/24 AS16509 AMAZON-023.172.9.0/24 AS16509 AMAZON-023.172.10.0/24 AS16509 AMAZON-023.172.12.0/24 AS16509 AMAZON-023.172.13.0/24 AS16509 AMAZON-023.172.14.0/24 AS16509 AMAZON-023.172.15.0/24 AS16509 AMAZON-023.172.16.0/24 AS16509 AMAZON-023.172.17.0/24 AS16509 AMAZON-023.172.18.0/24 AS16509 AMAZON-023.172.19.0/24 AS16509 AMAZON-023.172.20.0/24 AS16509 AMAZON-023.172.21.0/24 AS16509 AMAZON-023.172.22.0/24 AS16509 AMAZON-023.172.23.0/24 AS16509 AMAZON-023.172.24.0/24 AS16509 AMAZON-023.172.25.0/24 AS16509 AMAZON-023.172.26.0/24 AS16509 AMAZON-023.172.27.0/24 AS16509 AMAZON-023.172.28.0/24 AS16509 AMAZON-023.172.29.0/24 AS16509 AMAZON-023.172.30.0/24 AS16509 AMAZON-023.172.31.0/24 AS16509 AMAZON-023.172.32.0/24 AS16509 AMAZON-023.172.33.0/24 AS16509 AMAZON-023.172.34.0/24 AS16509 AMAZON-023.172.35.0/24 AS16509 AMAZON-023.172.36.0/24 AS16509 AMAZON-023.172.37.0/24 AS16509 AMAZON-023.172.38.0/24 AS16509 AMAZON-023.172.39.0/24 AS16509 AMAZON-023.172.40.0/24 AS16509 AMAZON-023.172.42.0/24 AS16509 AMAZON-023.172.43.0/24 AS16509 AMAZON-023.172.44.0/24 AS16509 AMAZON-023.172.45.0/24 AS16509 AMAZON-023.172.46.0/24 AS16509 AMAZON-023.172.47.0/24 AS16509 AMAZON-023.172.48.0/24 AS16509 AMAZON-023.172.50.0/24 AS16509 AMAZON-023.172.51.0/24 AS16509 AMAZON-023.172.52.0/24 AS16509 AMAZON-023.172.53.0/24 AS16509 AMAZON-023.172.54.0/24 AS16509 AMAZON-023.172.56.0/24 AS16509 AMAZON-023.172.57.0/24 AS16509 AMAZON-023.172.58.0/24 AS16509 AMAZON-023.172.59.0/24 AS16509 AMAZON-023.172.60.0/24 AS16509 AMAZON-023.172.61.0/24 AS16509 AMAZON-023.172.62.0/24 AS16509 AMAZON-023.172.63.0/24 AS16509 AMAZON-02