IPv4 R&E Routing Table Report 21:10 GMT Sun 29 May, 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: 892904 Prefixes after maximum aggregation (per Origin AS): 337264 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 433111 Number of IPv4 prefixes with a valid ROA: 327533 Number of IPv4 prefixes with an invalid ROA: 3066 Number of IPv4 prefixes with no ROA: 562305 Total ASes present in the Internet Routing Table: 73199 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 62902 Origin ASes announcing only one prefix: 25774 Transit ASes present in the Internet Routing Table: 10297 Transit-only ASes present in the Internet Routing Table: 368 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 54 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 946 Number of instances of unregistered ASNs: 954 Number of 32-bit ASNs allocated by the RIRs: 39501 Number of 32-bit ASNs visible in the Routing Table: 32740 Prefixes from 32-bit ASNs in the Routing Table: 154717 Number of bogon 32-bit ASNs visible in the Routing Table: 46 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3065941760 Equivalent to 182 /8s, 190 /16s and 143 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 298037 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236270 Total APNIC prefixes after maximum aggregation: 66614 APNIC Deaggregation factor: 3.55 Prefixes being announced from the APNIC address blocks: 231517 Unique aggregates announced from the APNIC address blocks: 94998 APNIC Region origin ASes present in the Internet Routing Table: 12665 APNIC Prefixes per ASN: 18.28 APNIC Region origin ASes announcing only one prefix: 3616 APNIC Region transit ASes present in the Internet Routing Table: 1749 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7886 Number of APNIC addresses announced to Internet: 773745408 Equivalent to 46 /8s, 30 /16s and 107 /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: 262568 Total ARIN prefixes after maximum aggregation: 120386 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262270 Unique aggregates announced from the ARIN address blocks: 126033 ARIN Region origin ASes present in the Internet Routing Table: 19043 ARIN Prefixes per ASN: 13.77 ARIN Region origin ASes announcing only one prefix: 6922 ARIN Region transit ASes present in the Internet Routing Table: 1923 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4509 Number of ARIN addresses announced to Internet: 1293471744 Equivalent to 77 /8s, 24 /16s and 208 /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: 250242 Total RIPE prefixes after maximum aggregation: 116499 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247762 Unique aggregates announced from the RIPE address blocks: 151183 RIPE Region origin ASes present in the Internet Routing Table: 28140 RIPE Prefixes per ASN: 8.80 RIPE Region origin ASes announcing only one prefix: 12022 RIPE Region transit ASes present in the Internet Routing Table: 3927 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: 10707 Number of RIPE addresses announced to Internet: 714170112 Equivalent to 42 /8s, 145 /16s and 95 /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: 114991 Total LACNIC prefixes after maximum aggregation: 27584 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 114827 Unique aggregates announced from the LACNIC address blocks: 48645 LACNIC Region origin ASes present in the Internet Routing Table: 10956 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2199 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 54 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8669 Number of LACNIC addresses announced to Internet: 176532480 Equivalent to 10 /8s, 133 /16s and 172 /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: 27887 Total AfriNIC prefixes after maximum aggregation: 5492 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36015 Unique aggregates announced from the AfriNIC address blocks: 11829 AfriNIC Region origin ASes present in the Internet Routing Table: 1640 AfriNIC Prefixes per ASN: 21.96 AfriNIC Region origin ASes announcing only one prefix: 564 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 969 Number of AfriNIC addresses announced to Internet: 107728896 Equivalent to 6 /8s, 107 /16s and 208 /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 9194 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 690 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4664 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3570 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2410 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2251 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 214 TATACOMM-AS TATA Communications formerl 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 6499 10363 2822 AMAZON-02, US 11492 4515 299 659 CABLEONE, US 22773 3954 3076 370 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3532 1818 2527 AKAMAI-AS, US 6327 3439 1319 64 SHAW, CA 749 2867 50793 2125 DNIC-AS-00749, US 30036 2625 374 158 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2445 4961 417 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3051 493 CHARTER-20115, 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 6818 1730 150 UNI2-AS, ES 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3977 3361 204 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2927 355 21 UKRTELNET, UA 12389 2921 2273 907 ROSTELECOM-AS, RU 9009 2473 246 1278 M247, GB 34984 2241 357 629 TELLCOM-AS, TR 58224 1829 934 603 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 10658 3404 554 Uninet S.A. de C.V., MX 10620 3482 519 738 Telmex Colombia S.A., CO 11830 2438 369 63 Instituto Costarricense de Electricidad 13999 1835 303 473 Mega Cable, S.A. de C.V., MX 6503 1450 355 528 Axtel, S.A.B. de C.V., MX 28573 1357 2333 255 CLARO S.A., BR 3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1027 192 442 Techtel LMDS Comunicaciones Interactiva 11172 958 133 61 Alestra, S. de R.L. de C.V., MX 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 1655 393 21 LINKdotNET-AS, EG 24835 1466 497 30 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 955 65 64 ORANGE-COTE-IVOIRE, CI 36935 672 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 516 51 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 423 232 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 10658 3404 554 Uninet S.A. de C.V., MX 9808 9194 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6818 1730 150 UNI2-AS, ES 16509 6499 10363 2822 AMAZON-02, US 7545 5922 789 690 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4664 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4515 299 659 CABLEONE, US 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3977 3361 204 AKAMAI-ASN1, NL 22773 3954 3076 370 ASN-CXA-ALL-CCI-22773-RDC, US 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 9194 9159 CHINAMOBILE-CN China Mobile Communications Grou 12479 6818 6668 UNI2-AS, ES 7545 5922 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4664 4589 ERX-CERNET-BKB China Education and Research Net 8551 4002 3963 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4515 3856 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3977 3773 AKAMAI-ASN1, NL 16509 6499 3677 AMAZON-02, US 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 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.67.0.0/20 266452 ELETROINFO TELECOMUNICACOES LTDA - ME, BR 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, 198.19.226.0/24 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 23.185.16.0/24 Origin: 399244 BLOOM-HOST, US 23.185.16.0/24 Transit: 13335 CLOUDFLARENET, US 23.185.17.0/24 Origin: 399244 BLOOM-HOST, US 23.185.17.0/24 Transit: 13335 CLOUDFLARENET, 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 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 /10:41 /11:100 /12:307 /13:590 /14:1206 /15:2095 /16:13554 /17:8319 /18:13906 /19:25171 /20:44123 /21:51655 /22:107975 /23:95606 /24:528226 /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 5791 6818 UNI2-AS, ES 8151 4378 10658 Uninet S.A. de C.V., MX 8551 3468 4002 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4515 CABLEONE, US 6327 3249 3439 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2944 3954 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2778 2927 UKRTELNET, UA 30036 2282 2625 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1914 2:1022 3:156 4:6 5:3784 6:103 7:5 8:1539 9:1 11:173 12:1703 13:295 14:2372 15:202 16:42 17:384 18:164 20:212 21:4 22:188 23:5657 24:2331 25:6 27:2661 29:19 31:2436 32:92 34:4 35:82 36:1773 37:4452 38:2893 39:705 40:152 41:3965 42:1116 43:2194 44:291 45:16116 46:4130 47:324 49:1672 50:2172 51:108 52:1434 54:372 55:757 56:8 57:59 58:1845 59:1180 60:963 61:2254 62:2536 63:1937 64:5551 65:2334 66:4864 67:3001 68:1194 69:4155 70:1335 71:691 72:3053 74:2656 75:1393 76:586 77:2171 78:1850 79:3117 80:1998 81:1610 82:1497 83:1210 84:1366 85:2926 86:713 87:1971 88:1125 89:3319 90:537 91:7625 92:2018 93:2592 94:3501 95:3897 96:1309 97:349 98:999 99:737 100:77 101:1048 102:2107 103:29382 104:4450 105:457 106:875 107:2526 108:842 109:4271 110:2037 111:3259 112:2034 113:1504 114:1494 115:2151 116:1898 117:2511 118:2321 119:1875 120:1664 121:1105 122:2561 123:2135 124:1533 125:2144 128:1259 129:1094 130:982 131:2058 132:807 133:378 134:1909 135:289 136:884 137:1007 138:2453 139:1518 140:865 141:1409 142:1293 143:1433 144:1209 145:347 146:1821 147:1470 148:2251 149:1734 150:856 151:1078 152:1848 153:536 154:3457 155:1418 156:1841 157:1239 158:1046 159:2213 160:2532 161:1283 162:3468 163:1282 164:1665 165:1621 166:728 167:1744 168:3780 169:837 170:4483 171:828 172:3189 173:3125 174:1025 175:1128 176:3589 177:4634 178:3555 179:2055 180:2348 181:2997 182:3207 183:1954 184:2371 185:19543 186:4278 187:3773 188:3882 189:3266 190:8980 191:1316 192:11020 193:8624 194:7026 195:4984 196:2984 197:2374 198:5994 199:6035 200:7573 201:5737 202:10495 203:10238 204:4543 205:3436 206:3758 207:3386 208:4023 209:4675 210:4358 211:2457 212:4016 213:3432 214:1149 215:67 216:6483 217:2669 218:1285 219:549 220:1960 221:983 222:847 223:2122 End of report