← The evidence ledger
Evidence row 2201524
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://network-calc.x402tookit.com/netmask-convert
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f9461ffd20ac9c52711495747f52f891f75d0420b6c281126657786d76586013
- Leaf
- 0x1b6cf674414231a2c74848822b37c0d2efcc616fca2994779f7785bcba40d4a6
What was observed
{
"endpoints": [
[
"x402",
"https://network-calc.x402tookit.com/netmask-convert"
]
],
"name": "Network Calc",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Convert an IPv4 prefix length, netmask, wildcard or hex mask into every other form with host counts; flags bad masks.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"value": "255.255.252.0"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T14:45:31.831Z",
"binary": "11111111.11111111.11111100.00000000",
"blockSizeLastOctet": null,
"cidrSuffix": "/22",
"classfulDefault": null,
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"hex": "0xfffffc00",
"hostBits": 10,
"inputKind": "dotted",
"netmask": "255.255.252.0",
"networkBits": 22,
"notChecked": [
"IPv6 (prefix length only; use /cidr-ipv6)",
"0.0.0.0 and 255.255.255.255 are read as masks /0 and /32 (they are also the all-hosts and exact-match wildcards)",
"…1 more"
],
"percentOfIpv4Space": 0.00002384,
"prefixLength": 22,
"reasons": [
"Input read as a dotted.",
"Usable hosts exclude the network and broadcast addresses."
],
"source": "CIDR/netmask arithmetic (RFC 4632) and RFC 3021 for /31, computed locally",
"subnetsOfPrefix24": 4,
"summary": "/22 = 255.255.252.0 (wildcard 0.0.3.255), 1024 addresses, 1022 usable hosts.",
"totalAddresses": 1024,
"usableHosts": 1022,
"valid": true,
"verdict": "CONVERTED",
"wildcard": "0.0.3.255"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"value": {
"description": "/24, 24, 255.255.255.0, wildcard 0.0.0.255 or hex 0xffffff00",
"type": "string"
}
},
"required": [
"value"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"binary": {
"type": [
"null",
"string"
]
},
"blockSizeLastOctet": {},
"cidrSuffix": {
"type": [
"null",
"string"
]
},
"classfulDefault": {},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"hex": {
"type": [
"null",
"string"
]
},
"hostBits": {
"type": [
"null",
"number"
]
},
"inputKind": {
"type": [
"null",
"string"
]
},
"netmask": {
"type": [
"null",
"string"
]
},
"networkBits": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"percentOfIpv4Space": {
"type": [
"null",
"number"
]
},
"prefixLength": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"subnetsOfPrefix24": {
"type": [
"null",
"number"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"totalAddresses": {
"type": [
"null",
"number"
]
},
"usableHosts": {
"type": [
"null",
"number"
]
},
"valid": {
"type": [
"boolean",
"null"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"wildcard": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:40:42.483Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:40:42.231Z"
},
"resource": "https://network-calc.x402tookit.com/netmask-convert",
"serviceName": "Network Calc",
"tags": [
"netmask",
"subnet",
"wildcard",
"ipv4"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Convert an IPv4 prefix length, netmask, wildcard or hex mask into every other form with host counts; flags bad masks."
}What the leaf hashes
{"body":"f9461ffd20ac9c52711495747f52f891f75d0420b6c281126657786d76586013","id":2201524,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805831136,"prev":null,"subject":"x402_bazaar:https://network-calc.x402tookit.com/netmask-convert","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x1b6ccf6a5b7fcb98bbbfa9089d2861060dd1eb0f16674cdf51b71c5a7f176418
- 0x200b1dcce1cfc70273f003cf66d0a05e021fce0e3aef7d423db8d6d6d4ea3535
- 0x762814ce03b22e9927087be2b2ad1a13aae73a681a1393e7627c63dcca83294b
- 0x0a79eaa01d0bcb7d1199e8e2b2b4217e69841442a717e551e690a85312293d63
- 0x1db1b0442b65ac7d10601277d756e82e267cbef7d69f6816b9bba720623000d2
- 0xf82b6f7a3f8ee9d03d995fc64bcd7843b2616f10c16624469396b9bc5f77a7f2
- 0xc53a455065d999fc98424b130c7431afdc32c21831a67c2cae8cca5c4fa9d41a
- 0x7c1158a51a2f26d04625168cdfcfc8f7e4434fed8e0251a0d0b6ecd313a88339
- 0x92b702cb483b3b479f7379ecf911114dc6f78a88b2b0201f43c9bbbe317ff8fd
- 0x82b51d00c751de88827ca888e7845280718dc96499904680d52844bfbf981240
- 0xca20b426596153adc739a514506d4e712329375c586b7a54ec8bc23c00165468
- 0x1b8180a62930c76e7899da8ca90344aeaf32e1420f1e6b2bc56928fd37a13e3c
- 0xe2dd127d9ccc5339e1d044fef0fe0ebbce9fefdedc7bf9fb2070bf570a64799e
- 0xad8410fe2298c1ccff00c301cabf57d2495acf6e614e5236bbeb834747908ca4
- 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
- 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
- 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
- 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af