Home ASN LookupAS21491

AS21491 UGANDA-TELECOM Uganda Telecom

🇺🇬

Org handle: 8b865b31-0927-490d-8a4d-36081c00251f

Uganda Telecom

RIPE NCCallocated

Announced Prefixes (BGP)

60total

60 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)65,792

Announced (BGP)80,640

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

200

Prefix Limit (IPv6)

Country

🇺🇬 UG

RIR

RIPE NCC

Status

allocated

Allocated

2001-12-31

Listed on the threat map (2026-10-11)

#1 in Uganda (23 flagged networks located there)

Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Announced Prefixes

(BGP)60

Prefix	RPKI	IRR	Last Seen
102.220.21.0/24	No ROA	Other IRR	2026-10-09
196.0.0.0/16	No ROA	AFRINIC	2026-10-09
196.0.1.0/24	No ROA	-	2026-10-09
196.0.2.0/24	No ROA	-	2026-10-09
196.0.4.0/24	No ROA	-	2026-10-09
196.0.5.0/24	No ROA	-	2026-10-09
196.0.6.0/24	No ROA	Other IRR	2026-10-09
196.0.7.0/24	No ROA	Other IRR	2026-10-09
196.0.8.0/24	No ROA	-	2026-10-09
196.0.9.0/24	No ROA	-	2026-10-09

1-10 of 60

1 / 6

Allocated Prefixes

(RIR)2

Prefix	Country	RIR	Status
102.220.21.0/24	🇺🇬 UG	AFRINIC	assigned
196.0.0.0/16	🇺🇬 UG	AFRINIC	allocated

All 60 announced prefixes of AS21491 →

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS21491 hands its own prefixes to: transit providers, or peers at an exchange.

AS37662WIOCC46
AS37027SIMBANET13
AS37679URA11

Downstreams (1)

Networks whose own prefixes AS21491 passes on: usually its customers.

AS37408NWSC1

ASPA

No ASPA

External Links

RIPE 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 AS21491 should publish an ASPA object
IPv4 transfers in the RIPE NCC 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/21491

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

curl -s "https://api.ipctl.io/v1/asn/21491" | jq