38.121.19.0/24 - Cogent Communications (AS174)
CIDR
38.121.19.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
EL SEGUNDO
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 38.121.19.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | Invalid | - | 2026-10-12 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 38.0.0.0/8 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-12 |
| 38.121.18.0/23 | AS16633 I-3 - N-able Technologies, Inc. | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 38.121.18.0/23 | AS16633 | /24 | arin |
Transfer History
Registry transfers of 38.121.19.0/24, blocks inside it, or blocks containing it.
- 38.0.0.0/8M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 38.0.0.0/8 | M&A |
Related Prefixes
More prefixes of AS174
All prefixes of AS174 →Geolocation
Country🇺🇸United StatesUS
CityEL SEGUNDO
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/38.121.19.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/38.121.19.0/24" | jq
External Links