170.137.0.0/16 - BGP Prefix
IPv4ARINallocated RPKI Valid
CIDR
170.137.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Chicago (West Loop)
RIR
ARIN
Status
allocated
Allocated
1994-05-18
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
5 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 170.137.213.0/24 | AS22583 CBOE - Cboe | No ROA | - | 2026-10-12 |
| 170.137.215.0/24 | AS53596 CBOE - Cboe | Valid | - | 2026-10-12 |
| 170.137.219.0/24 | AS53596 CBOE - Cboe | Valid | - | 2026-10-12 |
| 170.137.223.0/24 | AS53596 CBOE - Cboe | Valid | - | 2026-10-12 |
| 170.137.224.0/24 | AS4867 CBOE - Cboe | Valid | - | 2026-10-12 |
Geolocation
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/170.137.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/170.137.0.0/16" | jq
External Links