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AS131932

JR East Information Systems Company

APNIC JP active Announced
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Organization
JR East Information Systems Company
JEIS-NET
Registered
Aug 04, 2011
15 years ago
IPv4 Prefixes
71
327,680 addresses
IPv6 Prefixes
0
BGP Neighbours
2
2 upstream/peer · 0 downstream

Registration

AS Number AS131932 AS Name JEIS-NET Country Japan (JP) Registry APNIC Allocated Aug 04, 2011 Last Updated Apr 24, 2018 Status
active
WHOIS Server whois.apnic.net AS Description JEIS-NET - JR East Information Systems Company, JP Remarks JR East Information Systems Company

IPv4 Prefixes

71 prefixes · 327,680 addresses · 10 top-level Routing data as of 2026-10-07 16:00 UTC

157.0.0.0/8 · 71 prefixes · 327,680 addresses
PrefixRangeAddresses
157.71.0.0/17157.71.0.0 – 157.71.127.25532,768
157.71.0.0/24157.71.0.0 – 157.71.0.255256
157.71.1.0/24157.71.1.0 – 157.71.1.255256
157.71.2.0/23157.71.2.0 – 157.71.3.255512
157.71.4.0/22157.71.4.0 – 157.71.7.2551,024
157.71.8.0/21157.71.8.0 – 157.71.15.2552,048
157.71.16.0/23157.71.16.0 – 157.71.17.255512
157.71.18.0/24157.71.18.0 – 157.71.18.255256
157.71.19.0/24157.71.19.0 – 157.71.19.255256
157.71.20.0/24157.71.20.0 – 157.71.20.255256
157.71.21.0/24157.71.21.0 – 157.71.21.255256
157.71.22.0/23157.71.22.0 – 157.71.23.255512
157.71.24.0/21157.71.24.0 – 157.71.31.2552,048
157.71.32.0/19157.71.32.0 – 157.71.63.2558,192
157.71.64.0/24157.71.64.0 – 157.71.64.255256
157.71.65.0/24157.71.65.0 – 157.71.65.255256
157.71.66.0/23157.71.66.0 – 157.71.67.255512
157.71.68.0/22157.71.68.0 – 157.71.71.2551,024
157.71.72.0/21157.71.72.0 – 157.71.79.2552,048
157.71.80.0/22157.71.80.0 – 157.71.83.2551,024
157.71.84.0/23157.71.84.0 – 157.71.85.255512
157.71.86.0/23157.71.86.0 – 157.71.87.255512
157.71.88.0/21157.71.88.0 – 157.71.95.2552,048
157.71.96.0/20157.71.96.0 – 157.71.111.2554,096
157.71.112.0/20157.71.112.0 – 157.71.127.2554,096
157.71.128.0/17157.71.128.0 – 157.71.255.25532,768
157.71.128.0/20157.71.128.0 – 157.71.143.2554,096
157.71.144.0/20157.71.144.0 – 157.71.159.2554,096
157.71.160.0/20157.71.160.0 – 157.71.175.2554,096
157.71.176.0/20157.71.176.0 – 157.71.191.2554,096
157.71.192.0/18157.71.192.0 – 157.71.255.25516,384
157.72.0.0/17157.72.0.0 – 157.72.127.25532,768
157.72.0.0/19157.72.0.0 – 157.72.31.2558,192
157.72.32.0/21157.72.32.0 – 157.72.39.2552,048
157.72.40.0/22157.72.40.0 – 157.72.43.2551,024
157.72.44.0/22157.72.44.0 – 157.72.47.2551,024
157.72.48.0/21157.72.48.0 – 157.72.55.2552,048
157.72.56.0/21157.72.56.0 – 157.72.63.2552,048
157.72.64.0/18157.72.64.0 – 157.72.127.25516,384
157.72.128.0/17157.72.128.0 – 157.72.255.25532,768
157.72.128.0/20157.72.128.0 – 157.72.143.2554,096
157.72.144.0/22157.72.144.0 – 157.72.147.2551,024
157.72.148.0/24157.72.148.0 – 157.72.148.255256
157.72.149.0/24157.72.149.0 – 157.72.149.255256
157.72.150.0/23157.72.150.0 – 157.72.151.255512
157.72.152.0/21157.72.152.0 – 157.72.159.2552,048
157.72.160.0/21157.72.160.0 – 157.72.167.2552,048
157.72.168.0/22157.72.168.0 – 157.72.171.2551,024
157.72.172.0/22157.72.172.0 – 157.72.175.2551,024
157.72.176.0/21157.72.176.0 – 157.72.183.2552,048
157.72.184.0/21157.72.184.0 – 157.72.191.2552,048
157.72.192.0/19157.72.192.0 – 157.72.223.2558,192
157.72.224.0/19157.72.224.0 – 157.72.255.2558,192
157.73.0.0/17157.73.0.0 – 157.73.127.25532,768
157.73.0.0/18157.73.0.0 – 157.73.63.25516,384
157.73.64.0/18157.73.64.0 – 157.73.127.25516,384
157.73.128.0/17157.73.128.0 – 157.73.255.25532,768
157.73.128.0/18157.73.128.0 – 157.73.191.25516,384
157.73.192.0/18157.73.192.0 – 157.73.255.25516,384
157.74.0.0/17157.74.0.0 – 157.74.127.25532,768
157.74.0.0/18157.74.0.0 – 157.74.63.25516,384
157.74.64.0/18157.74.64.0 – 157.74.127.25516,384
157.74.128.0/17157.74.128.0 – 157.74.255.25532,768
157.74.128.0/18157.74.128.0 – 157.74.191.25516,384
157.74.192.0/18157.74.192.0 – 157.74.255.25516,384
157.75.0.0/17157.75.0.0 – 157.75.127.25532,768
157.75.0.0/18157.75.0.0 – 157.75.63.25516,384
157.75.64.0/18157.75.64.0 – 157.75.127.25516,384
157.75.128.0/17157.75.128.0 – 157.75.255.25532,768
157.75.128.0/18157.75.128.0 – 157.75.191.25516,384
157.75.192.0/18157.75.192.0 – 157.75.255.25516,384

IPv6 Prefixes

This AS does not currently announce any IPv6 prefixes.

BGP Neighbours

2 unique neighbours · 2 upstream/peer · 0 downstream. A neighbour can be seen on more than one side. Rows are ordered by AS paths: the number of BGP paths seen by RIPE RIS that contain the adjacency. Sightings count each IPv4/IPv6 route with the adjacency once per RIS peer that sees it (routes × peers), so they show how widely it is seen, not how many distinct routes it carries.

Upstream & peer side (2)

Networks seen to the left of this AS in BGP paths, toward the route collectors — typically its transit providers (upstreams) and peers.

ASNameAS pathsIPv4 sightingsIPv6 sightings
AS2516KDDI - KDDI CORPORATION26715,4660
AS17676GIGAINFRA - SoftBank Corp.2578,1560

Raw RDAP Response

{
  "rdapConformance": [
    "nro_rdap_profile_0",
    "nro_rdap_profile_asn_hierarchical_0",
    "cidr0",
    "rdap_level_0"
  ],
  "notices": [
    {
      "title": "Source",
      "description": [
        "Objects returned came from source",
        "JPNIC"
      ]
    },
    {
      "title": "Terms and Conditions",
      "description": [
        "This is the APNIC WHOIS Database query service. The objects are in RDAP format.",
        "This information has been partially mirrored by APNIC from JPNIC. To obtain more specific information, please use the JPNIC WHOIS Gateway at http://www.nic.ad.jp/en/db/whois/en-gateway.html or whois.nic.ad.jp for WHOIS client. (The WHOIS client defaults to Japanese output, use the /e switch for English output)"
      ],
      "links": [
        {
          "value": "https://jpnic.rdap.apnic.net/autnum/131932",
          "rel": "terms-of-service",
          "href": "http://www.apnic.net/db/dbcopyright.html",
          "type": "text/html"
        }
      ]
    },
    {
      "title": "Whois Inaccuracy Reporting",
      "description": [
        "If you see inaccuracies in the results, please visit: "
      ],
      "links": [
        {
          "value": "https://jpnic.rdap.apnic.net/autnum/131932",
          "rel": "inaccuracy-report",
          "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
          "type": "text/html"
        }
      ]
    }
  ],
  "country": "JP",
  "name": "JEIS-NET",
  "status": [
    "active"
  ],
  "events": [
    {
      "eventAction": "last changed",
      "eventDate": "2018-04-24T04:03:12Z"
    }
  ],
  "links": [
    {
      "value": "https://jpnic.rdap.apnic.net/autnum/131932",
      "rel": "self",
      "href": "https://jpnic.rdap.apnic.net/autnum/131932",
      "type": "application/rdap+json"
    }
  ],
  "remarks": [
    {
      "description": [
        "JR East Information Systems Company"
      ],
      "title": "description"
    }
  ],
  "entities": [
    {
      "roles": [
        "technical",
        "administrative"
      ],
      "links": [
        {
          "value": "https://jpnic.rdap.apnic.net/autnum/131932",
          "rel": "related",
          "href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00057694/e",
          "type": "text/html",
          "hreflang": "en"
        },
        {
          "value": "https://jpnic.rdap.apnic.net/autnum/131932",
          "rel": "related",
          "href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00057694",
          "type": "text/html",
          "hreflang": "jp"
        }
      ],
      "handle": "JP00057694",
      "objectClassName": "entity"
    },
    {
      "roles": [
        "technical",
        "administrative"
      ],
      "events": [
        {
          "eventAction": "last changed",
          "eventDate": "2022-01-05T03:04:02Z"
        }
      ],
      "links": [
        {
          "value": "https://jpnic.rdap.apnic.net/autnum/131932",
          "rel": "self",
          "href": "https://jpnic.rdap.apnic.net/entity/JNIC1-AP",
          "type": "application/rdap+json"
        }
      ],
      "handle": "JNIC1-AP",
      "objectClassName": "entity",
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "Japan Network Information Center"
          ],
          [
            "kind",
            {},
            "text",
            "group"
          ],
          [
            "adr",
            {
              "label": "Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda\nChiyoda-ku, Tokyo 101-0047, Japan"
            },
            "text",
            [
              "",
              "",
              "",
              "",
              "",
              "",
              ""
            ]
          ],
          [
            "tel",
            {
              "type": "voice"
            },
            "text",
            "+81-3-5297-2311"
          ],
          [
            "tel",
            {
              "type": "fax"
            },
            "text",
            "+81-3-5297-2312"
          ],
          [
            "email",
            {},
            "text",
            "[email protected]"
          ]
        ]
      ]
    }
  ],
  "handle": "AS131932",
  "startAutnum": 131932,
  "endAutnum": 131932,
  "objectClassName": "autnum",
  "port43": "whois.apnic.net"
}

Contact details of private individuals are redacted.