163.253.36.0/22 - Merit Network (AS237)
CIDR
163.253.36.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Ann Arbor (Bryant Pattengill East)
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 |
|---|---|---|---|---|
| 163.253.36.0/22 | AS237 MERIT-AS-14 - Merit Network Inc. | Valid | Other IRR | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS237 | Other IRR | MAINT-AS11537 | 2023-11-13 |
Transfer History
Registry transfers of 163.253.36.0/22, blocks inside it, or blocks containing it.
- 163.253.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 163.253.0.0/16 | M&A |
Origin ASN
AS237
MERIT-AS-14 - Merit Network Inc.
Related Prefixes
Geolocation
Country🇺🇸United StatesUS
RegionMichigan
CityAnn Arbor (Bryant Pattengill East)
Coordinates42.2338, -83.7289 ↗
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/163.253.36.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/163.253.36.0/22" | jq
External Links