161.242.0.0/16
🇺🇸CIDR
161.242.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Rochester (Northland-Lyceum)
RIR
ARIN
Status
allocated
Allocated
3/30/1993
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.242.0.0/16 | AS15141ASN-BAUSCH-LOMB - Bausch & Lomb | No ROA | ARIN | 5/31/2026 |
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.242.176.0/20 | AS9381HKBNES-AS-AP - HKBN Enterprise Solutions HK Limited | No ROA | — | 5/31/2026 |
| 161.242.208.0/20 | AS15141ASN-BAUSCH-LOMB - Bausch & Lomb | No ROA | — | 5/31/2026 |
| 161.242.224.0/24 | AS15141ASN-BAUSCH-LOMB - Bausch & Lomb | No ROA | — | 5/31/2026 |
| 161.242.10.0/24 | AS15141ASN-BAUSCH-LOMB - Bausch & Lomb | No ROA | — | 5/31/2026 |
| 161.242.37.0/24 | AS19693CENTRILOGIC-ASN - Centrilogic, Inc. | No ROA | — | 5/31/2026 |
| 161.242.11.0/24 | AS19693CENTRILOGIC-ASN - Centrilogic, Inc. | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS15141 | ARIN | MNT-BAUSCH-1-Z | 11/18/2024 |
Origin ASN
AS15141
ASN-BAUSCH-LOMB - Bausch & Lomb
Geolocation
Country🇺🇸United StatesUS
RegionNew York
CityRochester (Northland-Lyceum)
Coordinates43.1799, -77.5738 ↗
API
Open https://api.ipctl.io/v1/prefix/161.242.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/161.242.0.0/16" | jq
External Links