The BGP Instability Report is updated daily. This report
was generated on 31 December 2025 06:19 (UTC+1000)
| RANK | ASN | UPDs | % | Prefixes | UPDs/Prefix | AS NAME |
| 1 | 5413 | 471914 | 6.16% | 97 | 4865.09 | WAVENET-AS5413, GB |
| 2 | 16509 | 325466 | 4.25% | 14191 | 22.93 | AMAZON-02, US |
| 3 | 8151 | 143133 | 1.87% | 12757 | 11.22 | UNINET, MX |
| 4 | 12252 | 106660 | 1.39% | 701 | 152.15 | America Movil Peru S.A.C., PE |
| 5 | 7821 | 72025 | 0.94% | 17 | 4236.76 | ZAYO-MN, US |
| 6 | 18403 | 66465 | 0.87% | 4591 | 14.48 | FPT-AS-AP FPT Telecom Company, VN |
| 7 | 36903 | 59468 | 0.78% | 1261 | 47.16 | MT-MPLS, MA |
| 8 | 15766 | 55785 | 0.73% | 15 | 3719.00 | DOMICILIUM-AS, IM |
| 9 | 335 | 54996 | 0.72% | 224 | 245.52 | DNIC-ASBLK-00306-00371, US |
| 10 | 10620 | 48330 | 0.63% | 3435 | 14.07 | Telmex Colombia S.A., CO |
| 11 | 39891 | 38702 | 0.51% | 4969 | 7.79 | ALJAWWALSTC-AS, SA |
| 12 | 9829 | 38587 | 0.50% | 1862 | 20.72 | BSNL-NIB National Internet Backbone, IN |
| 13 | 212477 | 32082 | 0.42% | 144 | 222.79 | ROYALE-AS, NL |
| 14 | 31148 | 28857 | 0.38% | 554 | 52.09 | FREENET_LLC, UA |
| 15 | 58224 | 28813 | 0.38% | 1170 | 24.63 | TCI, IR |
| 16 | 9808 | 28679 | 0.37% | 13538 | 2.12 | CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN |
| 17 | 197207 | 27335 | 0.36% | 1023 | 26.72 | MCCI-AS, IR |
| 18 | 6147 | 25344 | 0.33% | 1266 | 20.02 | Telefonica del Peru S.A.A., PE |
| 19 | 24532 | 24867 | 0.32% | 53 | 469.19 | INET-AS-ID PT. Inet Global Indo, ID |
| 20 | 13188 | 23932 | 0.31% | 1607 | 14.89 | TRIOLAN, UA |
| 21 | 36914 | 23913 | 0.31% | 582 | 41.09 | KENET-AS, KE |
| 22 | 7459 | 23387 | 0.31% | 1526 | 15.33 | GRANDECOM-AS1, US |
| 23 | 2609 | 23316 | 0.30% | 90 | 259.07 | TN-BB-AS Tunisia BackBone AS, TN |
| 24 | 17561 | 23305 | 0.30% | 3438 | 6.78 | LCS-AS-AP LARUS Limited, HK |
| 25 | 45899 | 22776 | 0.30% | 3336 | 6.83 | VNPT-AS-VN VNPT Corp, VN |
| 26 | 37294 | 22526 | 0.29% | 142 | 158.63 | TNM, MW |
| 27 | 11492 | 21987 | 0.29% | 4692 | 4.69 | CABLEONE, US |
| 28 | 8452 | 21823 | 0.29% | 1705 | 12.80 | TE-AS TE-AS, EG |
| 29 | 8866 | 20897 | 0.27% | 973 | 21.48 | VIVACOM-AS BULGARIA, BG |
| 30 | 20473 | 20871 | 0.27% | 1409 | 14.81 | AS-VULTR, US |
| 31 | 647 | 20217 | 0.26% | 438 | 46.16 | DNIC-ASBLK-00616-00665, US |
| 32 | 8369 | 20079 | 0.26% | 121 | 165.94 | INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU |
| 33 | 14754 | 20061 | 0.26% | 473 | 42.41 | TELECOMUNICACIONES DE GUATEMALA, SOCIEDAD ANONIMA, GT |
| 34 | 7552 | 19360 | 0.25% | 4059 | 4.77 | VIETEL-AS-AP Viettel Group, VN |
| 35 | 24835 | 18386 | 0.24% | 1982 | 9.28 | RAYA-AS, EG |
| 36 | 3303 | 17782 | 0.23% | 255 | 69.73 | SWISSCOM Swisscom Switzerland Ltd, CH |
| 37 | 328608 | 17308 | 0.23% | 552 | 31.36 | Africa-on-Cloud-AS, ZA |
| 38 | 44244 | 17039 | 0.22% | 767 | 22.22 | IRANCELL-AS, IR |
| 39 | 11830 | 16642 | 0.22% | 1992 | 8.35 | Instituto Costarricense de Electricidad y Telecom., CR |
| 40 | 55410 | 15708 | 0.21% | 1177 | 13.35 | VIL-AS-AP Vodafone Idea Ltd, IN |
| 41 | 6503 | 15651 | 0.20% | 730 | 21.44 | Axtel, S.A.B. de C.V., MX |
| 42 | 28227 | 15426 | 0.20% | 46 | 335.35 | NOVACIA TECNOLOGIA E TELECOMUNICACOES LTDA, BR |
| 43 | 42337 | 14640 | 0.19% | 694 | 21.10 | RESPINA-AS, IR |
| 44 | 9009 | 14640 | 0.19% | 4005 | 3.66 | M247, RO |
| 45 | 5371 | 14618 | 0.19% | 295 | 49.55 | DNIC-ASBLK-05120-05376, US |
| 46 | 11664 | 14453 | 0.19% | 1374 | 10.52 | Techtel LMDS Comunicaciones Interactivas S.A., AR |
| 47 | 10429 | 14303 | 0.19% | 177 | 80.81 | TELEFONICA BRASIL S.A, BR |
| 48 | 149038 | 14167 | 0.19% | 2 | 7083.50 | UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM |
| 49 | 36352 | 14148 | 0.18% | 2825 | 5.01 | AS-COLOCROSSING, US |
| 50 | 57670 | 14072 | 0.18% | 6 | 2345.33 | ASOPENWAY, UA |
| Total | | 2254941 | 29.43% | |
| RANK | ASN | UPDs/Prefix | % | Prefixes | UPDs | AS NAME |
| 1 | 208907 | 7390.0 | 0.10% | 1 | 7390 | RISING-BRIDGE-TECHNOLOGY, GB |
| 2 | 149038 | 7083.5 | 0.19% | 2 | 14167 | UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM |
| 3 | 27892 | 7041.0 | 0.09% | 1 | 7041 | Universidad del Zulia, VE |
| 4 | 56644 | 5128.0 | 0.07% | 2 | 5128 | SYNFS-AS, GB |
| 5 | 15766 | 5071.4 | 0.73% | 15 | 55785 | DOMICILIUM-AS, IM |
| 6 | 5413 | 4865.1 | 6.16% | 97 | 471914 | WAVENET-AS5413, GB |
| 7 | 41383 | 4641.0 | 0.12% | 8 | 9282 | WOLASN, GB |
| 8 | 197320 | 4623.0 | 0.06% | 1 | 4623 | NPA-AS, GB |
| 9 | 8613 | 4620.3 | 0.18% | 3 | 13861 | WAVENET-AS8613, GB |
| 10 | 213812 | 4448.0 | 0.12% | 2 | 8896 | ALFATEH, SY |
| 11 | 7821 | 4236.8 | 0.94% | 17 | 72025 | ZAYO-MN, US |
| 12 | 7954 | 4133.7 | 0.16% | 3 | 12401 | IMMENSE-NETWORKS, US |
| 13 | 33764 | 3858.0 | 0.05% | 3 | 3858 | AFRINIC-ZA-JNB-AS, MU |
| 14 | 29469 | 3595.0 | 0.05% | 1 | 3595 | GTU Khmelnitsky, Ukraine, UA |
| 15 | 8791 | 3098.0 | 0.12% | 3 | 9294 | FOEHN, GB |
| 16 | 51897 | 3093.0 | 0.04% | 1 | 3093 | MIHAN, IR |
| 17 | 40138 | 2798.4 | 0.18% | 5 | 13992 | MDNET, US |
| 18 | 212274 | 2417.0 | 0.03% | 1 | 2417 | ELTRAKSA-AS, GR |
| 19 | 57670 | 2345.3 | 0.18% | 6 | 14072 | ASOPENWAY, UA |
| 20 | 265566 | 2338.5 | 0.06% | 3 | 4677 | TELESISTEMAS PENINSULARES SA DE CV, MX |
| 21 | 271217 | 2329.0 | 0.09% | 4 | 6987 | Nova Info Internet e Telecomunicacoes LTDA, BR |
| 22 | 136867 | 2157.3 | 0.08% | 3 | 6472 | IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID |
| 23 | 12357 | 2147.0 | 0.14% | 17 | 10735 | COMUNITEL SPAIN, ES |
| 24 | 21570 | 1909.0 | 0.02% | 94 | 1909 | ACI-1, CA |
| 25 | 41538 | 1840.0 | 0.02% | 2 | 1840 | INSPIRED-AS, GB |
| 26 | 13341 | 1718.0 | 0.09% | 5 | 6872 | TRANQUILITY, US |
| 27 | 150512 | 1561.5 | 0.04% | 2 | 3123 | IDNIC-MASKOMINDONESIARAYA-AS-ID PT Maskom Indonesia Raya, ID |
| 28 | 206467 | 1551.7 | 0.06% | 3 | 4655 | PROTECH-COMMS, GB |
| 29 | 265112 | 1402.9 | 0.13% | 7 | 9820 | DIGITO TELECOMUNICACOES E INFORMATICA LTDA, BR |
| 30 | 329613 | 1339.0 | 0.02% | 1 | 1339 | Iris-Smart-Technologies, NG |
| 31 | 54689 | 1332.0 | 0.02% | 1 | 1332 | UC-WILLIAMSBURG-ASN, US |
| 32 | 200070 | 1277.0 | 0.02% | 4 | 1277 | CZNIC-AS2, CZ |
| 33 | 136225 | 1185.3 | 0.05% | 3 | 3556 | SMARTTELECOM-AS-AP Smart Telecom, PK |
| 34 | 29874 | 1169.5 | 0.06% | 4 | 4678 | CAMBRI-AS1, US |
| 35 | 57285 | 1168.0 | 0.02% | 1 | 1168 | UKRINFOSYSTEMS-AS, UA |
| 36 | 395327 | 1161.0 | 0.02% | 1 | 1161 | BAYFEDCU, US |
| 37 | 28657 | 1141.3 | 0.04% | 3 | 3424 | MD Brasil - Tecnologia da Informacao Ltda, BR |
| 38 | 29382 | 1112.5 | 0.03% | 2 | 2225 | UKRINFOSYSTEMS-AS, UA |
| 39 | 136501 | 1103.3 | 0.09% | 21 | 6620 | HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK |
| 40 | 204318 | 1039.0 | 0.01% | 1 | 1039 | BGPTOOLS-QA, GB |
| 41 | 329104 | 1002.0 | 0.01% | 1 | 1002 | AL14-AS, RW |
| 42 | 329627 | 989.7 | 0.04% | 3 | 2969 | Wingu-Tanzania, TZ |
| 43 | 399889 | 957.5 | 0.03% | 2 | 1915 | NET-FRONT-001, US |
| 44 | 264126 | 945.0 | 0.04% | 6 | 2835 | SIX INTERNET LTDA, BR |
| 45 | 12654 | 917.3 | 0.17% | 22 | 12842 | RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL |
| 46 | 205605 | 911.0 | 0.01% | 1 | 911 | ID-PROCESSING, AM |
| 47 | 213654 | 855.0 | 0.02% | 2 | 1710 | AS209737, TR |
| 48 | 132562 | 850.5 | 0.02% | 2 | 1701 | KOMALNET-AS-IN Komal Network Service Private Limited, IN |
| 49 | 149614 | 809.0 | 0.01% | 1 | 809 | TSIIPL-AS-IN TRANSACTION SOLUTIONS INTERNATIONAL INDIA PRIVATE LIMITED, IN |
| 50 | 45304 | 809.0 | 0.04% |
| Total | | 125515.3 | 11.07% |
| Number of BGP Update Messages: | 17858203 | |
| Number of Prefix Updates: | 7655226 | |
| Number of Prefix Withdrawals: | 304382 | |
| Average Prefixes per BGP Update: | 0.45 | |
| Average BGP Update Messages per second: | 14.76 | |
| Average Prefix Updates per second: | 6.58 | |
| Peak BGP Update Message Rate per second: | 71547 | (11:15:45 Tue, 23-Dec-2025) |
| Peak Prefix Update Rate per second: | 1342 | (03:10:37 Mon, 22-Dec-2025) |
| Peak Prefix Withdraw Rate per second: | 32514 | (22:34:11 Sun, 21-Dec-2025) |
| Prefix Count: | 1066859 | |
| Updated Prefix Count: | 645770 | |
| Stable Prefix Count: | 421089 | |
| Origin AS Count: | 77695 | |
| Updated Origin AS Count: | 57861 | |
| Stable Origin AS Count: | 19834 | |
| Unique Path Count: | 526972 | |
| Updated Path Count: | 362460 | |
| Stable Path Count: | 164512 | |