164.74.0.0/16
🇺🇸CIDR
164.74.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Chicago (Loop)
RIR
ARIN
Status
allocated
Allocated
12/18/1992
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 164.74.122.0/24 | AS17025ZAYO-CUSTOMER-17025 - Zayo Bandwidth | No ROA | — | 5/31/2026 |
| 164.74.123.0/24 | AS17025ZAYO-CUSTOMER-17025 - Zayo Bandwidth | No ROA | — | 5/31/2026 |
| 164.74.125.0/24 | AS17025ZAYO-CUSTOMER-17025 - Zayo Bandwidth | No ROA | — | 5/31/2026 |
| 164.74.129.0/24 | AS17025ZAYO-CUSTOMER-17025 - Zayo Bandwidth | No ROA | — | 5/31/2026 |
| 164.74.130.0/24 | AS18628NYMEX - NEW YORK MERCANTILE EXCHANGE | No ROA | — | 5/31/2026 |
| 164.74.129.0/24 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 5/31/2026 |
| 164.74.125.0/24 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 5/31/2026 |
| 164.74.122.0/24 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 5/31/2026 |
| 164.74.123.0/24 | AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | No ROA | — | 5/31/2026 |
Origin ASN
AS23397
Geolocation
API
Open https://api.ipctl.io/v1/prefix/164.74.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/164.74.0.0/16" | jq
External Links