Home ASN LookupAS138393

AS138393 CNGI-NAN-IX-AS-AP - CERNET2 regional IX at Guangxi University

🇨🇳

Org handle: ORG-CEAR1-AP

CERNET2 regional IX at Guangxi University

APNICallocated

Announced Prefixes (BGP)

128total

55 IPv473 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)142,080

IPv6 Addresses

Allocated (RIR)1.2×10²⁴

Announced (BGP)1.5×10²⁹

Prefix Limit (IPv4)

200

Prefix Limit (IPv6)

500

Country

🇨🇳 CN

RIR

APNIC

Status

allocated

Allocated

2018-10-31

Routing hygiene

Score 69/100 · High risk

RPKI ROA coverage

54.7%

33 prefixes RPKI invalid

IRR route objects

128 prefixes registered for another origin

Hijack signals

33 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 48/100

Announces 33 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
45% of announced prefixes (58 of 128) have no valid ROA, 33 of them RPKI invalid
100% of announced prefixes (128 of 128) have no IRR route object for this ASN

Based on 128 announced prefixes, updated daily (2026-10-27). How the score works · RPKI explained

Announced Prefixes

(BGP)128

Prefix	RPKI	IRR	Last Seen
1.185.0.0/18MOAS	No ROA	-	2026-10-27
1.185.64.0/19MOAS	No ROA	-	2026-10-27
116.13.192.0/20MOAS	No ROA	-	2026-10-27
116.13.208.0/20MOAS	No ROA	-	2026-10-27
116.13.224.0/22MOAS	No ROA	-	2026-10-27
210.36.0.0/16MOAS	No ROA	-	2026-10-27
210.36.0.0/22MOAS	No ROA	-	2026-10-27
210.36.4.0/24MOAS	Invalid	-	2026-10-27
210.36.16.0/24MOAS	Invalid	-	2026-10-27
210.36.17.0/24MOAS	Invalid	-	2026-10-27

1-10 of 128

1 / 13

Allocated Prefixes

(RIR)1

Prefix	Country	RIR	Status
2001:250:3401::/48	🇨🇳 CN	APNIC	assigned

All 128 announced prefixes of AS138393 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS138393 hands its own prefixes to: transit providers, or peers at an exchange.

AS23910China Next Generation Internet CERNET282
AS4538China Education And Research Network Center55

ASPA

No ASPA

Abuse Contact

+86-10-62784301

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
ASPA explainedWhy AS138393 should publish an ASPA object
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/138393

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

curl -s "https://api.ipctl.io/v1/asn/138393" | jq