BGP Announced

AS CIDR Description
AS55 128.91.0.0/16 UPENN - University of Pennsylvania, US

Real Time BGP Data

AS / Info IP / Time AS Path
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Reverse DNS List (Total:247)

IP Host DateTime
128.91.212.0 cdb-grana-032.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.1 cdb-grana-033.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.2 cdb-grana-034.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.3 drm-cotsa-01.med.upenn.edu 2024-04-25 02:41:07
128.91.212.4 phr-meink-002.med.upenn.edu 2024-04-30 18:27:42
128.91.212.5 phr-meink-003.med.upenn.edu 2024-04-25 02:41:07
128.91.212.6 phr-meink-004.med.upenn.edu 2024-04-30 18:27:42
128.91.212.7 phr-meink-005.med.upenn.edu 2024-04-30 18:27:42
128.91.212.8 phr-meink-006.med.upenn.edu 2024-04-30 18:27:42
128.91.212.9 hem-carro-01.med.upenn.edu 2024-04-30 18:27:42
128.91.212.10 drm-costa-023.med.upenn.edu 2024-04-30 18:27:42
128.91.212.11 cdb-admin-020.med.upenn.edu 2024-04-30 18:27:42
128.91.212.12 derm-monitor.med.upenn.edu 2024-04-30 18:27:42
128.91.212.13 som-pmacs-240.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.14 pmacs-sec-001.med.upenn.edu 2024-04-30 18:27:42
128.91.212.15 cdb-mgood-001.med.upenn.edu 2024-04-30 18:27:42
128.91.212.16 abrmsn211.med.upenn.edu 2024-04-30 18:27:42
128.91.212.17 cbi-hua-006.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.18 gricelabmac1.med.upenn.edu 2024-04-30 18:27:42
128.91.212.19 medicine121.med.upenn.edu 2024-04-30 18:27:42
128.91.212.20 cdb-shlit-001.med.upenn.edu 2024-04-30 18:27:42
128.91.212.21 hammer.med.upenn.edu 2024-04-30 18:27:42
128.91.212.23 afcri-649.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.24 derm40.med.upenn.edu 2024-04-30 18:27:42
128.91.212.25 spo-avbrc-001.med.upenn.edu 2024-04-30 18:27:42
128.91.212.26 spo-avbrc-002.med.upenn.edu 2024-04-25 02:41:07
128.91.212.27 ifi-admin-002.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.28 cbi-ryeom-007.med.upenn.edu 2024-04-30 18:27:42
128.91.212.29 drm-admin-p01.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.30 cwh-elovi-014.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.31 hem-gewir-006.med.upenn.edu 2024-04-30 18:27:42
128.91.212.32 hem-gewir-007.med.upenn.edu 2024-04-30 18:27:42
128.91.212.33 hem-gewir-008.med.upenn.edu 2024-04-30 18:27:42
128.91.212.34 hem-gewir-009.med.upenn.edu 2024-04-30 18:27:42
128.91.212.35 hem-gewir-010.med.upenn.edu 2024-04-30 18:27:42
128.91.212.36 hem-gewir-011.med.upenn.edu 2024-04-30 18:27:42
128.91.212.37 hem-gewir-012.med.upenn.edu 2024-04-30 18:27:42
128.91.212.38 megosderm.med.upenn.edu 2024-04-30 18:27:42
128.91.212.39 drm-cotsa-024.med.upenn.edu 2024-04-30 18:27:42
128.91.212.40 abrmsn227.med.upenn.edu 2024-04-30 18:27:42
128.91.212.41 medicine124.med.upenn.edu 2024-04-30 18:27:42
128.91.212.42 cwh-maini-008.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.43 faryabi12.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.44 faryabi11.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.45 eisinger06.med.upenn.edu 2024-04-30 18:27:42
128.91.212.46 abrmsn228.med.upenn.edu 2024-04-30 18:27:42
128.91.212.47 hem-gewir-013.med.upenn.edu 2024-04-30 18:27:42
128.91.212.48 cdb-grana-07.med.upenn.edu 2024-04-30 18:27:42
128.91.212.49 pmacs-router-brb.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.50 phr-kazan-005.med.upenn.edu 2024-04-30 18:27:42
128.91.212.51 phr-kazan-006.med.upenn.edu 2024-04-25 02:41:07
128.91.212.52 cwh-admin-025.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.53 pul-levin-07.med.upenn.edu 2024-04-30 18:27:42
128.91.212.55 afc-wpear-p01.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.56 cwh-maini-002.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.57 cwh-maini-003.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.58 mjctdp5.med.upenn.edu 2024-04-30 18:27:42
128.91.212.59 afc-wpear-007.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.60 payne-cf5kgv1.med.upenn.edu 2024-04-25 02:41:07
128.91.212.61 medicine126.med.upenn.edu 2024-04-30 18:27:42
128.91.212.62 medicine127.med.upenn.edu 2024-04-30 18:27:42
128.91.212.63 drm-payne-009.med.upenn.edu 2024-04-30 18:27:42
128.91.212.64 drm-payne-012.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.65 cdb-grana-035.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.66 ifi-henao-001.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.67 cdb-weise-011.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.68 phr-blair-desktop-5bv9q4j.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.69 cwh-admin-002.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.70 prouty-macbook.med.upenn.edu 2024-04-30 18:27:42
128.91.212.71 drm-grice-001.med.upenn.edu 2024-04-30 18:27:42
128.91.212.72 drm-grice-002.med.upenn.edu 2024-04-30 18:27:42
128.91.212.73 phr-kazan-017.med.upenn.edu 2024-04-30 18:27:42
128.91.212.74 drm-grice-003.med.upenn.edu 2024-04-30 18:27:42
128.91.212.75 neurosci48.med.upenn.edu 2024-04-30 18:27:42
128.91.212.76 neurosci49.med.upenn.edu 2024-04-30 18:27:42
128.91.212.77 phr-kazan-008.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.78 phr-kazan-009.med.upenn.edu 2024-04-30 18:27:42
128.91.212.79 rad-minn-013.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.80 rad-minn-014.pmacs.upenn.edu 2024-04-25 02:41:07
128.91.212.81 medicine137.med.upenn.edu 2024-04-30 18:27:42
128.91.212.82 cdb-kynan-001.med.upenn.edu 2024-04-30 18:27:42
128.91.212.83 cdbsanger02.med.upenn.edu 2024-04-30 18:27:42
128.91.212.84 cbi-busof-004.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.85 drm-payne-004.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.86 phr-blair-minint-r400clp.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.87 cdb-grana-12.med.upenn.edu 2024-04-30 18:27:42
128.91.212.88 drm-payne-010.med.upenn.edu 2024-04-30 18:27:42
128.91.212.89 hem-odwye-003.med.upenn.edu 2024-04-30 18:27:42
128.91.212.90 phr-blair-055.med.upenn.edu 2024-04-30 18:27:42
128.91.212.91 abrmsn241.med.upenn.edu 2024-04-30 18:27:42
128.91.212.92 cwh-gerto-007.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.93 pul-levin-06.med.upenn.edu 2024-04-30 18:27:42
128.91.212.94 cdb10.med.upenn.edu 2024-04-30 18:27:42
128.91.212.95 spo-avbrc-003.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.96 ifi-admin-007.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.97 cbi-asang-009.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.98 medicine145.med.upenn.edu 2024-04-30 18:27:42
128.91.212.99 neurosci52.med.upenn.edu 2024-04-30 18:27:42
128.91.212.100 cwh-admin-022.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.101 medicine148.med.upenn.edu 2024-04-30 18:27:42
128.91.212.102 drm-grice-004.med.upenn.edu 2024-04-30 18:27:42
128.91.212.103 medicine150.med.upenn.edu 2024-04-30 18:27:42
128.91.212.104 paynelab.med.upenn.edu 2024-04-30 18:27:42
128.91.212.105 som-somis-97.med.upenn.edu 2024-04-30 18:27:42
128.91.212.106 cwh-gerso-002.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.107 ocr-zhang-009.med.upenn.edu 2024-04-30 18:27:42
128.91.212.108 hem-carro-02.med.upenn.edu 2024-04-30 18:27:42
128.91.212.109 gas-stang-016.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.110 cwh-willi-07.pmacs.upenn.edu 2024-04-25 02:41:07
128.91.212.111 cdb1223.med.upenn.edu 2024-04-30 18:27:42
128.91.212.112 drm-grice-005.med.upenn.edu 2024-04-30 18:27:42
128.91.212.113 cdb-grana-008.med.upenn.edu 2024-04-30 18:27:42
128.91.212.114 ocr-zhang-011.med.upenn.edu 2024-04-30 18:27:42
128.91.212.115 cbi-busof-018.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.116 cdb-simon-016.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.117 mce111.med.upenn.edu 2024-04-30 18:27:42
128.91.212.118 bgs-admin-07.med.upenn.edu 2024-04-30 18:27:42
128.91.212.119 som-pmacs-deldan.med.upenn.edu 2024-04-30 18:27:42
128.91.212.120 medicine155.med.upenn.edu 2024-04-30 18:27:42
128.91.212.121 cdb-fishe-008.med.upenn.edu 2024-04-30 18:27:42
128.91.212.122 spo-track-041.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.123 ocr-powel-019.med.upenn.edu 2024-04-30 18:27:42
128.91.212.124 rwh77.med.upenn.edu 2024-04-30 18:27:42
128.91.212.125 spnops02.med.upenn.edu 2024-04-30 18:27:42
128.91.212.126 drm-grice-009.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.127 rad-gade-006.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.128 rwh1238.med.upenn.edu 2024-04-30 18:27:42
128.91.212.129 cbi-green-027.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.130 cbi-busof-024.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.131 medicine159.med.upenn.edu 2024-04-30 18:27:42
128.91.212.132 drm-capel-005.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.133 oto-lilab-p01.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.134 cwh-simpk-012.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.135 drm-frz1.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.136 medicine161.med.upenn.edu 2024-04-30 18:27:42
128.91.212.137 cwh-admin-008.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.138 eisinger09.med.upenn.edu 2024-04-30 18:27:42
128.91.212.139 eisinger10.med.upenn.edu 2024-04-30 18:27:42
128.91.212.140 spo-avspf-8848.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.141 cbi-chodo-017.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.142 phr-blair-044.med.upenn.edu 2024-04-30 18:27:42
128.91.212.143 rad-minn-015.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.144 ocr-facci-004.med.upenn.edu 2024-04-30 18:27:42
128.91.212.145 ocr-facci-006.med.upenn.edu 2024-04-30 18:27:42
128.91.212.147 phr-kazan-007.med.upenn.edu 2024-04-30 18:27:42
128.91.212.148 medicine163.med.upenn.edu 2024-04-30 18:27:42
128.91.212.149 hem-russe-001.med.upenn.edu 2024-04-30 18:27:42
128.91.212.150 hem-russe-002.med.upenn.edu 2024-04-30 18:27:42
128.91.212.151 hem-russe-003.med.upenn.edu 2024-04-30 18:27:42
128.91.212.152 hem-russe-004.med.upenn.edu 2024-04-30 18:27:42
128.91.212.153 ocr-facci-007.med.upenn.edu 2024-04-30 18:27:42
128.91.212.154 abrmsn265.med.upenn.edu 2024-04-30 18:27:42
128.91.212.155 ocr-couko-010.med.upenn.edu 2024-04-30 18:27:42
128.91.212.156 ocr-couko-014.med.upenn.edu 2024-04-30 18:27:42
128.91.212.157 rad-minn-016.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.158 medicine167.med.upenn.edu 2024-04-30 18:27:42
128.91.212.159 bio-marmo-sf1.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.160 abrmsn268.med.upenn.edu 2024-04-30 18:27:42
128.91.212.161 abrmsn269.med.upenn.edu 2024-04-30 18:27:42
128.91.212.162 abrmsn270.med.upenn.edu 2024-04-30 18:27:42
128.91.212.163 cwh-couko-03.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.164 ocr-couko-023.med.upenn.edu 2024-04-30 18:27:42
128.91.212.165 sshaffer01.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.166 hem-abram-03.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.167 hem-abram-003.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.168 cdb-dinar-01.med.upenn.edu 2024-04-30 18:27:42
128.91.212.169 medicine171.med.upenn.edu 2024-04-25 02:41:07
128.91.212.170 cdb-grana-04.med.upenn.edu 2024-04-30 18:27:42
128.91.212.171 spo-track-019.med.upenn.edu 2024-04-30 18:27:42
128.91.212.172 spo-track-020.med.upenn.edu 2024-04-30 18:27:42
128.91.212.173 ocr-facci-901.med.upenn.edu 2024-04-30 18:27:42
128.91.212.174 hem-amara-006.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.175 hem-scxc-001.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.176 cbi-chodo-078.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.177 ocr-zhang-012.med.upenn.edu 2024-04-30 18:27:42
128.91.212.178 ocr-couko-007.med.upenn.edu 2024-04-30 18:27:42
128.91.212.179 hem-amara-002.pmacs.upenn.edu 2024-04-25 02:41:07
128.91.212.180 hem-amara-011.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.181 spo-track-023.med.upenn.edu 2024-04-30 18:27:42
128.91.212.182 ocr-schol-009.med.upenn.edu 2024-04-30 18:27:42
128.91.212.183 oto-amara-002.med.upenn.edu 2024-04-30 18:27:42
128.91.212.184 spo-track-024.med.upenn.edu 2024-04-30 18:27:42
128.91.212.185 rhe-kiria-007.med.upenn.edu 2024-04-30 18:27:42
128.91.212.186 ocr-drapk-009.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.187 ocr-drapk-005.med.upenn.edu 2024-04-30 18:27:42
128.91.212.188 ocr-drapk-006.med.upenn.edu 2024-04-25 02:41:07
128.91.212.189 cdb-dinar-002.med.upenn.edu 2024-04-30 18:27:42
128.91.212.190 cbi-brady-002.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.191 afc-farya-011.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.192 cbi-busof-016.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.193 hem-lilab-002.med.upenn.edu 2024-04-30 18:27:42
128.91.212.194 minn-lab-hp.med.upenn.edu 2024-04-30 18:27:42
128.91.212.195 hem-amara-03.med.upenn.edu 2024-04-30 18:27:42
128.91.212.196 hem-amara-013.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.197 cbi-brady-001.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.198 rad-minn-020.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.199 gas-stang-012.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.200 rad-minn-006.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.201 rad-minn-002.pmacs.upenn.edu 2024-04-25 02:41:07
128.91.212.202 abrmsn295.med.upenn.edu 2024-04-30 18:27:42
128.91.212.203 cbi-yang-022.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.204 spo-track-026.med.upenn.edu 2024-04-30 18:27:42
128.91.212.206 spo-track-027.med.upenn.edu 2024-04-30 18:27:42
128.91.212.207 cwh-simmo-01.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.208 derm49.med.upenn.edu 2024-04-30 18:27:42
128.91.212.209 hem-amara-001.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.210 acc-nathans-016.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.211 cbi-facil-005.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.212 phr-fitz-23.med.upenn.edu 2024-04-30 18:27:42
128.91.212.213 ocr-admin-015.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.214 ocr-admin-016.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.215 ocr-admin-017.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.216 oto-lilab-014.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.217 oto-lilab-013.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.218 oto-lilab-018.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.219 wolfpigbehavior.med.upenn.edu 2024-04-25 02:41:07
128.91.212.220 cbi-busof-019.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.221 hem-daria-005.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.222 abrmsn307.med.upenn.edu 2024-04-30 18:27:42
128.91.212.225 cbi-yang-008.med.upenn.edu 2024-04-30 18:27:42
128.91.212.226 cbi-yang-012.med.upenn.edu 2024-04-30 18:27:42
128.91.212.228 cbi-yang-029.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.229 cdb-mulli-05.med.upenn.edu 2024-04-30 18:27:42
128.91.212.230 afcri-724.med.upenn.edu 2024-04-30 18:27:42
128.91.212.231 oto-lilab-022.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.232 pul-laros-003.med.upenn.edu 2024-04-30 18:27:42
128.91.212.233 pul-laros-004.med.upenn.edu 2024-04-30 18:27:42
128.91.212.234 nsc-margu-003.med.upenn.edu 2024-04-30 18:27:42
128.91.212.235 nsc-margu-004.med.upenn.edu 2024-04-30 18:27:42
128.91.212.236 nsc-margu-005.med.upenn.edu 2024-04-30 18:27:42
128.91.212.237 nsc-margu-006.med.upenn.edu 2024-04-30 18:27:42
128.91.212.238 nsc-margu-007.med.upenn.edu 2024-04-25 02:41:07
128.91.212.239 oto-lilab-019.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.240 abrmsn323.med.upenn.edu 2024-04-30 18:27:42
128.91.212.241 bgs-admin-019.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.242 oto-lilab-012.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.243 oto-lilab-021.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.244 oto-lilab-010.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.245 som-somis-098.med.upenn.edu 2024-04-30 18:27:42
128.91.212.246 oto-lilab-020.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.247 rhe-eisen-010.med.upenn.edu 2024-04-30 18:27:42
128.91.212.248 cbi-asang-010.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.249 parmacek01.med.upenn.edu 2024-04-30 18:27:42
128.91.212.250 ocr-drapk-003.med.upenn.edu 2024-04-30 18:27:42
128.91.212.251 pul-levin-09.med.upenn.edu 2024-04-30 18:27:42
128.91.212.252 ifi-admin-003.pmacs.upenn.edu 2024-04-30 18:27:42
128.91.212.253 baraldicp2025.med.upenn.edu 2024-04-30 18:27:42

Top 20 countries in total ASN

Country Allocated ASNs ASN IPv4 Number ASN IPv6 Number(/64)
United States 30461 1446924342 971577817377938
Brazil 9006 88044496 29408004378630
China 6734 372650104 129927890281088
Russian Federation 5802 47615250 294590729678656
India 5791 36222752 24469529137152
Australia 5010 42289524 20565939984384
Indonesia 3297 17806848 1328853745664
United Kingdom 3182 80870564 32285154344960
Germany 3099 113869864 71011008970752
Poland 2510 19283456 15946827961344
Canada 2344 55236248 3510442656768
France 2282 77266208 12875370528768
Ukraine 2116 9689600 5076029276160
Bangladesh 1760 1908272 1005579862016
Netherlands 1588 55671984 26092623431168
Italy 1299 52328656 28857019924480
Hong Kong 1271 17934452 1721396953856
Argentina 1260 19540704 18805908832256
Japan 1233 168119656 33532218114048
Spain 1225 34629632 7936553717760