Discover / asn-lookup.underscoredone.com

ASN Lookup

■ Challenge detected

Given an internet address (IP) or a network identification number (ASN), this tool returns who operates that piece of the internet: the network number, the owner's name, the country it's registered in, the regional registry that manages it, and the exact address range it belongs to.

x402
Base
Solana
USDC

Listed price: $0.01
Challenge detected: 10 of the last 10 checks
Median response: 128 ms
Last checked: 17 Oct, 08:59 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://asn-lookup.underscoredone.com/lookup
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

POSThttps://asn-lookup.underscoredone.com/lookup$0.01Given an internet address (IP) or a network identification number (ASN), this tool returns who operates that piece of the internet: the network number, the owner's name, the country it's registered in, the regional registry that manages it, and the exact address range it belongs to.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 1 of 1 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/asn-lookup.underscoredone.com

Recent checks

29 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 08:59 UTC	Challenge detected	402	160ms
16 Oct, 08:13 UTC	Challenge detected	402	130ms
14 Oct, 21:46 UTC	Challenge detected	402	100ms
13 Oct, 10:39 UTC	Challenge detected	402	237ms
11 Oct, 10:02 UTC	Challenge detected	402	132ms
9 Oct, 21:31 UTC	Challenge detected	402	119ms
8 Oct, 15:35 UTC	Challenge detected	402	125ms
7 Oct, 15:42 UTC	Challenge detected	402	147ms
6 Oct, 15:31 UTC	Challenge detected	402	107ms
29 Sept, 17:03 UTC	Challenge detected	402	102ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 08:59 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for ASN Lookup?

Its listed price is $0.01.

What payment terms does ASN Lookup advertise?

The listing advertises x402, Base, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is ASN Lookup listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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