Home ASN LookupAS21840

AS21840 NET3 - WiredISP Inc.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

47total

47 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)9,728

Announced (BGP)12,032

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

100

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2001-06-28

Routing hygiene

Score 48/100 · Medium risk

RPKI ROA coverage

76.6%

11 prefixes RPKI invalid

IRR route objects

76.6%

10 prefixes registered for another origin

Hijack signals

3 announced against others' ROAs, 1 own announced by others

Upstreams

diversity 0/100

Announces 3 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
23% of announced prefixes (11 of 47) have no valid ROA, 11 of them RPKI invalid
Only one upstream seen in the AS paths of its routes
23% of announced prefixes (11 of 47) have no IRR route object for this ASN

Based on 47 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained

Announced Prefixes

(BGP)47

Prefix	RPKI	IRR	Last Seen
2.26.221.0/24	Invalid	-	-
31.57.229.0/24	Valid	Other IRRRIPE	-
31.58.101.0/24	Valid	Other IRRRIPE	-
45.73.169.0/24	Valid	ARINOther IRR	-
64.113.17.0/24	Invalid	-	-
65.87.6.0/24	Valid	ARINOther IRR	-
69.166.234.0/24	Valid	ARINOther IRR	-
75.127.68.0/24	Valid	ARINOther IRR	-
79.172.219.0/24MOAS	Invalid	-	-
80.91.218.0/24	Valid	ARINOther IRR	-

1-10 of 47

1 / 5

Allocated Prefixes

(RIR)38

Prefix	Country	RIR	Status
31.57.229.0/24	🇺🇸 US	RIPE	assigned
31.58.101.0/24	🇺🇸 US	RIPE	assigned
79.172.219.0/24	🇺🇸 US	RIPE	assigned
82.26.160.0/24	🇺🇸 US	RIPE	assigned
82.47.54.0/24	🇺🇸 US	RIPE	assigned
85.208.8.0/24	🇺🇸 US	RIPE	assigned
86.110.44.0/24	🇪🇺 EU	RIPE	assigned
87.229.12.0/24	🇪🇺 EU	RIPE	assigned
87.232.101.0/24	🇺🇸 US	RIPE	assigned
88.209.195.0/24	🇪🇺 EU	RIPE	assigned

1-10 of 38

1 / 4

All 47 announced prefixes of AS21840 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS21840 hands its own prefixes to: transit providers, or peers at an exchange.

AS10122NETSTAR (SG) PTE47

Transfer History

Registry transfers of AS21840 between organisations.

AS21840M&A · 2021-01-28
Synergy Internet Services Florida
🇺🇸 US ARIN
→
WiredISP Inc.
🇺🇸 US ARIN
AS21840M&A · 2019-04-30
Sago Networks, LLC
🇺🇸 US ARIN
→
Synergy Internet Services Florida
🇺🇸 US ARIN

Date	Resource	From	To	Type
2021-01-28	AS21840	Synergy Internet Services Florida 🇺🇸 US ARIN	WiredISP Inc. 🇺🇸 US ARIN	M&A
2019-04-30	AS21840	Sago Networks, LLC 🇺🇸 US ARIN	Synergy Internet Services Florida 🇺🇸 US ARIN	M&A

ASPA

No ASPA

External Links

ARIN Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS21840 should publish an ASPA object
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/21840

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/21840" | jq