Home ASN LookupAS18400

AS18400 XTREME-AS-AP Xtreme Networks Limited

🇳🇿

Org handle: ORG-XNL1-AP

Xtreme Networks Limited

APNICallocated

Announced Prefixes (BGP)

10total

8 IPv42 IPv6

IPv4 Addresses

Allocated (RIR)8,960

Announced (BGP)10,240

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)9.9×10²⁷

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇳🇿 NZ

RIR

APNIC

Status

allocated

Allocated

2005-08-03

Announced Prefixes

(BGP)10

Prefix	RPKI	IRR	Last Seen
103.11.240.0/24	No ROA	Other IRR	2026-10-11
103.11.241.0/24	No ROA	Other IRR	2026-10-11
103.11.242.0/23	No ROA	Other IRR	2026-10-11
103.11.243.0/24	No ROA	Other IRR	2026-10-11
103.35.88.0/24	No ROA	Other IRR	2026-10-11
103.140.60.0/24MOAS	No ROA	-	2026-10-11
202.36.162.0/24	No ROA	Other IRR	2026-10-11
203.171.32.0/19	No ROA	Other IRR	2026-10-11
2401:7c00::/36	No ROA	Other IRR	2026-10-11
2401:7c00:1000::/36	No ROA	Other IRR	2026-10-11

Allocated Prefixes

(RIR)4

Prefix	Country	RIR	Status
103.11.240.0/24	🇳🇿 NZ	APNIC	assigned
103.11.241.0/24	🇳🇿 NZ	APNIC	assigned
202.36.162.0/24	🇳🇿 NZ	APNIC	assigned
203.171.32.0/19	🇳🇿 NZ	APNIC	assigned

All 10 announced prefixes of AS18400 →

Downstream Customers(2)

ASN	Name
AS151475	🇳🇿CADUCEUS-AS-AP Caduceus Systems Limited
AS154796	🇳🇿METANAME-AS-AP Metaname

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS18400 hands its own prefixes to: transit providers, or peers at an exchange.

AS56030VOYAGERNET AP Voyager Internet6
AS45177DEVOLI AP Devoli4

Downstreams (17)

Networks whose own prefixes AS18400 passes on: usually its customers.

AS45641ADVANTAGE AP Advantage Limited10
AS45285NZ NS2 AP ASN For Anycast Peering4
AS136524ZYLEX AP Zylex Computers Limited3
AS139020CLOUDLINK AP CloudLink Communications3
AS38037INTERNET AP InternetNZ Lab2
AS131455ONSITECOMPUTERS AU 22 Stirling St2
AS132143HCSL AP Harbour City Security Limited2
AS136559OMEGANETWORKSLTD AP Omega Networks2
AS151475CADUCEUS AP Caduceus Systems Limited2
AS153053LTSCL AP Lesamoa.Net2
AS153850RTL AP Resolve Technology Limited2
AS45633SLUSH V4 TRANSIT AP Slush Technologies V4 Transit1
AS63519SILICON NZ 73 Sydney St1
AS131318WIALUS SOLN AP Wialus Solutions Limited1
AS135142ENIGMA AP Enigma Solutions Limited1
AS137957OMV AP OMV NEW ZEALAND LIMITED1
AS141228MNZL AP Monitor New Zealand Limited1

ASPA

No ASPA0 upstreams, 2 downstreams

Listed as Upstream Provider by

2 ASNs

View full ASPA details →

External Links

APNIC 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
How to run an ASPA checkVerify the upstream providers listed above
IPv4 transfers in the APNIC 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/18400

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

curl -s "https://api.ipctl.io/v1/asn/18400" | jq