216.36.64.0/20 - GTT BACKBONE GTT Communications (AS3257)
CIDR
216.36.64.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Chicago
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 |
|---|---|---|---|---|
| 216.36.64.0/20 | AS3257 GTT-BACKBONE GTT Communications Inc. | Valid | ARIN | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.36.64.0/18 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 216.36.64.0/20 | AS3257 | /24 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3257 | ARIN | MNT-GAL-104 | 2026-07-31 |
Transfer History
Registry transfers of 216.36.64.0/20, blocks inside it, or blocks containing it.
- 216.36.64.0/18M&A ·
- 216.36.64.0/18M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 216.36.64.0/18 | M&A | |||
| 216.36.64.0/18 | M&A |
Related Prefixes
More prefixes of AS3257
All prefixes of AS3257 →Geolocation
Country🇺🇸United StatesUS
CityChicago
Abuse Contact
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/216.36.64.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/216.36.64.0/20" | jq
External Links