IPv4 R&E Routing Table Report 21:10 GMT Sun 28 Aug, 2022 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 901271 Prefixes after maximum aggregation (per Origin AS): 340447 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 438622 Number of IPv4 prefixes with a valid ROA: 348256 Number of IPv4 prefixes with an invalid ROA: 3055 Number of IPv4 prefixes with no ROA: 549960 Total ASes present in the Internet Routing Table: 73568 Prefixes per ASN: 12.25 Origin-only ASes present in the Internet Routing Table: 63187 Origin ASes announcing only one prefix: 25975 Transit ASes present in the Internet Routing Table: 10381 Transit-only ASes present in the Internet Routing Table: 389 Paths with bogon ASNs present in the IPv4 Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1007 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 40083 Number of 32-bit ASNs visible in the Routing Table: 33234 Prefixes from 32-bit ASNs in the Routing Table: 159235 Number of bogon 32-bit ASNs visible in the Routing Table: 180 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 505 Number of addresses announced to Internet: 3068596736 Equivalent to 182 /8s, 231 /16s and 18 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 300770 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237604 Total APNIC prefixes after maximum aggregation: 67142 APNIC Deaggregation factor: 3.54 Prefixes being announced from the APNIC address blocks: 232857 Unique aggregates announced from the APNIC address blocks: 96211 APNIC Region origin ASes present in the Internet Routing Table: 12889 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 3720 APNIC Region transit ASes present in the Internet Routing Table: 1775 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8133 Number of APNIC addresses announced to Internet: 772871936 Equivalent to 46 /8s, 17 /16s and 23 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-151865 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 264966 Total ARIN prefixes after maximum aggregation: 120866 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265292 Unique aggregates announced from the ARIN address blocks: 127747 ARIN Region origin ASes present in the Internet Routing Table: 19058 ARIN Prefixes per ASN: 13.92 ARIN Region origin ASes announcing only one prefix: 6918 ARIN Region transit ASes present in the Internet Routing Table: 1923 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4599 Number of ARIN addresses announced to Internet: 1293825024 Equivalent to 77 /8s, 30 /16s and 52 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 252727 Total RIPE prefixes after maximum aggregation: 118238 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249969 Unique aggregates announced from the RIPE address blocks: 153377 RIPE Region origin ASes present in the Internet Routing Table: 28190 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12066 RIPE Region transit ASes present in the Internet Routing Table: 3946 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10786 Number of RIPE addresses announced to Internet: 717338880 Equivalent to 42 /8s, 193 /16s and 185 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 116570 Total LACNIC prefixes after maximum aggregation: 27862 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116225 Unique aggregates announced from the LACNIC address blocks: 48945 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2242 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8707 Number of LACNIC addresses announced to Internet: 176421120 Equivalent to 10 /8s, 131 /16s and 249 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 28397 Total AfriNIC prefixes after maximum aggregation: 5577 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36422 Unique aggregates announced from the AfriNIC address blocks: 11909 AfriNIC Region origin ASes present in the Internet Routing Table: 1677 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 586 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1009 Number of AfriNIC addresses announced to Internet: 107857408 Equivalent to 6 /8s, 109 /16s and 198 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9116 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5918 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4908 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2261 11124 598 KIXS-AS-KR Korea Telecom, KR 24560 2190 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2181 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6899 10411 2731 AMAZON-02, US 11492 4537 301 580 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3879 3070 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3472 1791 2504 AKAMAI-AS, US 6327 3449 1319 63 SHAW, CA 749 3036 50728 2294 DNIC-AS-00749, US 30036 2606 369 245 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2529 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2360 4935 402 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6873 1730 144 UNI2-AS, ES 20940 4078 3361 205 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2912 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2591 252 1330 M247, GB 34984 2266 359 633 TELLCOM-AS, TR 58224 1762 928 507 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10886 3393 557 Uninet S.A. de C.V., MX 10620 3506 516 778 Telmex Colombia S.A., CO 11830 2341 369 64 Instituto Costarricense de Electricidad 13999 1976 321 505 Mega Cable, S.A. de C.V., MX 28573 1359 2327 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1273 699 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 369 21 Telefonica del Peru S.A.A., PE 11664 1049 179 466 Techtel LMDS Comunicaciones Interactiva 26615 980 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1602 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 991 67 42 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 519 52 40 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 401 232 16 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10886 3393 557 Uninet S.A. de C.V., MX 9808 9116 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6899 10411 2731 AMAZON-02, US 12479 6873 1730 144 UNI2-AS, ES 7545 5918 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4908 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4537 301 580 CABLEONE, US 20940 4078 3361 205 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9116 9069 CHINAMOBILE-CN China Mobile Communications Grou 12479 6873 6729 UNI2-AS, ES 7545 5918 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4908 4834 ERX-CERNET-BKB China Education and Research Net 16509 6899 4168 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 11492 4537 3957 CABLEONE, US 8551 3995 3957 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4078 3873 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 577 BACOM, CA 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:39 /11:101 /12:303 /13:596 /14:1204 /15:2097 /16:13534 /17:8360 /18:13964 /19:25153 /20:44512 /21:51722 /22:108701 /23:96675 /24:534280 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5861 6873 UNI2-AS, ES 8151 4612 10886 Uninet S.A. de C.V., MX 8551 3459 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3454 4537 CABLEONE, US 6327 3260 3449 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2880 3879 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2262 2606 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1948 2:1029 3:157 4:5 5:3859 6:115 7:6 8:1564 9:1 11:173 12:1647 13:334 14:2355 15:246 16:47 17:375 18:199 20:243 21:4 22:188 23:5914 24:2427 25:6 27:2709 29:19 31:2415 32:92 34:7 35:88 36:1844 37:4471 38:3451 39:723 40:148 41:3939 42:1144 43:2223 44:289 45:16153 46:4158 47:330 49:1705 50:1956 51:239 52:1468 54:384 55:844 56:8 57:64 58:1836 59:1190 60:982 61:2287 62:2549 63:1922 64:5596 65:2357 66:4883 67:2981 68:1209 69:4154 70:1326 71:688 72:3029 74:2641 75:1403 76:592 77:2262 78:1923 79:3122 80:2038 81:1638 82:1489 83:1212 84:1376 85:2982 86:734 87:1905 88:1187 89:3424 90:547 91:7646 92:2046 93:2546 94:3534 95:3885 96:1298 97:352 98:1035 99:722 100:77 101:1061 102:2287 103:29864 104:4572 105:468 106:887 107:2557 108:878 109:4332 110:2018 111:3289 112:2055 113:1507 114:1502 115:2099 116:1892 117:2481 118:2326 119:1828 120:1757 121:1093 122:2522 123:2110 124:1525 125:2162 128:1243 129:1039 130:1017 131:2044 132:812 133:378 134:1939 135:299 136:859 137:1020 138:2522 139:1517 140:947 141:1457 142:1342 143:1402 144:1194 145:341 146:1863 147:1517 148:2240 149:1790 150:868 151:1078 152:1871 153:544 154:3672 155:1456 156:1720 157:1280 158:1035 159:2201 160:2518 161:1341 162:3507 163:1399 164:1640 165:1658 166:784 167:1779 168:3806 169:874 170:4508 171:843 172:3347 173:3134 174:1024 175:1149 176:3625 177:4735 178:3568 179:2177 180:2393 181:3256 182:3193 183:1938 184:2376 185:19648 186:4537 187:3850 188:3985 189:3431 190:9094 191:1453 192:10981 193:8687 194:7105 195:5074 196:2988 197:2444 198:6009 199:6027 200:7641 201:5806 202:10569 203:10213 204:4514 205:3445 206:3770 207:3450 208:4055 209:4722 210:4493 211:2406 212:4048 213:3486 214:1119 215:65 216:6396 217:2637 218:1314 219:573 220:2010 221:954 222:841 223:1971 End of report