HomePrefix Lookup37.21.0.0/17

37.21.0.0/17

🇷🇺
IPv4RIPENCCannouncedAS12389ROSTELECOM-AS PJSC Rostelecom RPKI Valid
CIDR
37.21.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇷🇺 Russia
City
Novosibirsk
RIR
RIPENCC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
37.21.0.0/17AS12389ROSTELECOM-AS PJSC Rostelecom Valid
RIPE
6/13/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
37.20.0.0/14AS12389ROSTELECOM-AS PJSC Rostelecom Valid—6/13/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
37.21.0.0/17AS12389/17ripe
37.20.0.0/14AS12389/18ripe

IRR Route Objects

1
OriginRegistryMaintainerModified
AS12389RIPEROSTELECOM-MNT9/28/2018

More Specific Prefixes

2
PrefixASCountryStatus
37.21.0.0/18🇷🇺RUassigned
37.21.64.0/18🇷🇺RUassigned
Origin ASN
AS12389
ROSTELECOM-AS PJSC Rostelecom
Geolocation
Country🇷🇺RussiaRU
RegionNovosibirsk Oblast
CityNovosibirsk
Coordinates55.0285, 82.9202 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/37.21.0.0/17

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/37.21.0.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP