Home Prefix Lookup209.20.136.0/21

209.20.136.0/21 - Northland Communications (AS7828)

IPv4ARINallocatedAS7828DRMSCPASN - Northland CommunicationsNo ROA

CIDR

209.20.136.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Syracuse (Lakefront)

RIR

ARIN

Status

allocated

Allocated

2021-03-17

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
209.20.136.0/21	AS7828 DRMSCPASN - Northland Communications	No ROA	Other IRR	2026-10-11

More-Specific Announcements

8 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
209.20.136.0/24	AS7828 DRMSCPASN - Northland Communications	No ROA	-	2026-10-11
209.20.137.0/24	AS7828 DRMSCPASN - Northland Communications	No ROA	-	2026-10-11
209.20.138.0/24	AS7828 DRMSCPASN - Northland Communications	No ROA	-	2026-10-11
209.20.139.0/24	AS7828 DRMSCPASN - Northland Communications	No ROA	-	2026-10-11
209.20.140.0/24	AS7828 DRMSCPASN - Northland Communications	No ROA	-	2026-10-11
209.20.141.0/24	AS7828 DRMSCPASN - Northland Communications	No ROA	-	2026-10-11
209.20.142.0/24	AS7828 DRMSCPASN - Northland Communications	No ROA	-	2026-10-11
209.20.143.0/24	AS7828 DRMSCPASN - Northland Communications	No ROA	-	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7828	Other IRR	MAINT-AS27506	2023-11-13

Transfer History

Registry transfers of 209.20.136.0/21, blocks inside it, or blocks containing it.

209.20.136.0/21Transfer · 2021-03-17
Atmosera, Inc.
🇺🇸 US ARIN
→
Northland Communications
🇺🇸 US ARIN
209.20.128.0/17M&A · 2021-03-05
Infinity Internet, Inc.
🇺🇸 US ARIN
→
EasyStreet Online Services, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2021-03-17	209.20.136.0/21	Atmosera, Inc. 🇺🇸 US ARIN	Northland Communications 🇺🇸 US ARIN	Transfer
2021-03-05	209.20.128.0/17	Infinity Internet, Inc. 🇺🇸 US ARIN	EasyStreet Online Services, Inc. 🇺🇸 US ARIN	M&A

Origin ASN

AS7828

DRMSCPASN - Northland Communications

Related Prefixes

More prefixes of AS7828

All prefixes of AS7828 →

Geolocation

Country🇺🇸United StatesUS

RegionNew York

CitySyracuse (Lakefront)

Coordinates43.0576, -76.1574 ↗

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

GEThttps://api.ipctl.io/v1/prefix/209.20.136.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/209.20.136.0/21" | jq

External Links

RIPEstat