100.42.16.0/23 - BGP Prefix (MOAS)
IPv4ARINannouncedMOAS RPKI Valid
CIDR
100.42.16.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Portland (Southwest Portland)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 100.42.16.0/23 | AS33651 CMCS - Comcast Cable Communications, LLC | Valid | ARIN | 2026-10-12 |
| 100.42.16.0/23 | AS33667 CMCS - Comcast Cable Communications, LLC | Valid | ARIN | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 100.42.16.0/20 | AS46841 FORKNETWORKING - Fork Networking, LLC | Valid | - | 2026-10-12 |
Origin ASNs (2)
AS33651MOAS
CMCS - Comcast Cable Communications, LLC
AS33667MOAS
CMCS - Comcast Cable Communications, LLC
Related Prefixes
Geolocation
Country🇺🇸United StatesUS
RegionOregon
CityPortland (Southwest Portland)
Coordinates45.5214, -122.6810 ↗
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/100.42.16.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/100.42.16.0/23" | jq
External Links