View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	183.182.32.0/21	LEON TECHNOLOGY, Inc.
	183.182.40.0/22	LEON TECHNOLOGY, Inc.
	183.182.44.0/22	LEON TECHNOLOGY, Inc.
	183.182.48.0/21	LEON TECHNOLOGY, Inc.
	103.171.16.0/23	irob Ltd.
	183.182.32.0/19	irob Ltd.
	2401:2540::/32	Japan Network Information Center
	2407:bc40::/32	Japan Network Information Center

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy zen_elgamal Policy amazing_booth Policy gallant_colden Policy stoic_haibt

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS55900	GLBB Japan KK	✔	✔

---

Peers

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS55900	GLBB Japan KK	✔	✔

[ JPNIC database provides information regarding IP address and ASN. Its use   ]
[ is restricted to network administration purposes. For further information,  ]
[ use 'whois -h whois.nic.ad.jp help'. To only display English output,        ]
[ add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.      ]

Autonomous System Information:
a. [AS Number]                  55899
b. [AS Name]                    IROB
g. [Organization]               irob Ltd.
m. [Administrative Contact]     JP00213792
n. [Technical Contact]          JP00213792
q. [Abuse]                      
o. [IMPORT]                     from AS2497 100 accept ANY
o. [IMPORT]                     from AS55900 100 accept ANY
p. [EXPORT]                     to AS2497 announce AS55899
p. [EXPORT]                     to AS55900 announce AS55899
[Assigned Date]                 2025/03/27
[Last Update]                   2025/03/27 15:52:10(JST)

Last Update: 2025-12-14T22:49:46Z UTC / (Click here to force a refresh)

---

Member of the following AS-SETs

-	Member	ASN Count
ARIN	as1239:as-customers	4238
JPIRR	as-iij	4730
RADB	as-glbb-transit	209
RADB	as-anc-customer-proxy-register	2403
NTTCOM	as-ocn	2
RADB	as-iij6	4102
RADB	as-pacnet-downstream-jp	192
RADB	as-iij	4730
JPIRR	as-steady	1
JPIRR	as-ocn	2
RIPE	as-transroute-spec	19679
JPIRR	as-iij6	4102
RADB	as-ocn	2