HomePrefix Lookup198.21.0.0/21

198.21.0.0/21

🇺🇸
IPv4ARINallocatedAS11377SENDGRID - SendGrid, Inc. RPKI Valid
CIDR
198.21.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Denver (Ballpark)
RIR
ARIN
Status
allocated
Allocated
4/1/2013

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
198.21.0.0/21AS11377SENDGRID - SendGrid, Inc. Valid
ARINRADB
6/1/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
198.21.0.0/21AS11377/21arin

IRR Route Objects

2
OriginRegistryMaintainerModified
AS11377ARINMNT-SENDG-126/12/2025
AS11377RADBMAINT-AS1137711/13/2023
Origin ASN
AS11377
SENDGRID - SendGrid, Inc.
Geolocation
Country🇺🇸United StatesUS
RegionColorado
CityDenver (Ballpark)
Coordinates39.7475, -104.9900 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/198.21.0.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/198.21.0.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP