IPv4 R&E Routing Table Report 21:10 GMT Sat 28 Oct, 2023 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: 932082 Prefixes after maximum aggregation (per Origin AS): 354498 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454265 Number of IPv4 prefixes with a valid ROA: 427221 Number of IPv4 prefixes with an invalid ROA: 2332 Number of IPv4 prefixes with no ROA: 502529 Total ASes present in the Internet Routing Table: 74908 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64341 Origin ASes announcing only one prefix: 26431 Transit ASes present in the Internet Routing Table: 10567 Transit-only ASes present in the Internet Routing Table: 464 Paths with bogon ASNs present in the IPv4 Routing Table: 60 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 33 Max AS path prepend of ASN (150235) 30 Prefixes from unregistered ASNs in the Routing Table: 1059 Number of instances of unregistered ASNs: 1091 Number of 32-bit ASNs allocated by the RIRs: 42941 Number of 32-bit ASNs visible in the Routing Table: 35244 Prefixes from 32-bit ASNs in the Routing Table: 176438 Number of bogon 32-bit ASNs visible in the Routing Table: 88 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 520 Number of addresses announced to Internet: 3051144960 Equivalent to 181 /8s, 220 /16s and 199 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309816 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246123 Total APNIC prefixes after maximum aggregation: 70698 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 239523 Unique aggregates announced from the APNIC address blocks: 99204 APNIC Region origin ASes present in the Internet Routing Table: 13653 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 4085 APNIC Region transit ASes present in the Internet Routing Table: 1830 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9013 Number of APNIC addresses announced to Internet: 771633920 Equivalent to 45 /8s, 254 /16s and 51 /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, 131072-153913 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: 273715 Total ARIN prefixes after maximum aggregation: 124129 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277801 Unique aggregates announced from the ARIN address blocks: 132372 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1934 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4827 Number of ARIN addresses announced to Internet: 1276693504 Equivalent to 76 /8s, 24 /16s and 204 /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: 261957 Total RIPE prefixes after maximum aggregation: 124325 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256884 Unique aggregates announced from the RIPE address blocks: 160377 RIPE Region origin ASes present in the Internet Routing Table: 28452 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12076 RIPE Region transit ASes present in the Internet Routing Table: 3910 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: 11386 Number of RIPE addresses announced to Internet: 716611840 Equivalent to 42 /8s, 182 /16s and 161 /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 196608-216475 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: 118995 Total LACNIC prefixes after maximum aggregation: 28624 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117907 Unique aggregates announced from the LACNIC address blocks: 49209 LACNIC Region origin ASes present in the Internet Routing Table: 11049 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2353 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8876 Number of LACNIC addresses announced to Internet: 178237696 Equivalent to 10 /8s, 159 /16s and 177 /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: 30233 Total AfriNIC prefixes after maximum aggregation: 5983 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39446 Unique aggregates announced from the AfriNIC address blocks: 12673 AfriNIC Region origin ASes present in the Internet Routing Table: 1799 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 621 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1142 Number of AfriNIC addresses announced to Internet: 107545088 Equivalent to 6 /8s, 105 /16s and 2 /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 9481 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5716 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4248 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3602 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3310 1835 94 VNPT-AS-VN VNPT Corp, VN 9498 3232 490 239 BBIL-AP BHARTI Airtel Ltd., IN 7552 2959 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2949 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2536 844 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11269 604 KIXS-AS-KR Korea Telecom, KR 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 9190 11027 3307 AMAZON-02, US 11492 4539 301 674 CABLEONE, US 7155 4173 288 100 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3528 3072 302 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3051 3841 1423 DNIC-ASBLK-00306-00371, US 16625 3018 1389 2297 AKAMAI-AS, US 396982 2706 3598 397 GOOGLE-CLOUD-PLATFORM, US 7018 2556 23614 1603 ATT-INTERNET4, 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 7417 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4094 3397 147 AKAMAI-ASN1, NL 8551 3446 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3226 285 1598 M247, RO 12389 2952 2297 916 ROSTELECOM-AS, RU 34984 2323 361 591 TELLCOM-AS, TR 58224 1685 917 545 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1522 1852 14 TE-AS TE-AS, EG 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 11916 3370 610 UNINET, MX 10620 3540 504 856 Telmex Colombia S.A., CO 13999 2425 336 634 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1331 2322 236 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 770 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1109 369 22 Telefonica del Peru S.A.A., PE 11664 1056 168 430 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1599 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 46 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 530 55 51 WANANCHI-, KE 37342 495 32 1 MOVITEL, MZ 24757 480 73 5 EthioNet-AS, ET 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 11916 3370 610 UNINET, MX 9808 9481 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9190 11027 3307 AMAZON-02, US 12479 7417 1713 145 UNI2-AS, ES 7545 5716 785 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4539 301 674 CABLEONE, US 18403 4248 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 100 VIASAT-SP-BACKBONE, US 20940 4094 3397 147 AKAMAI-ASN1, NL 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 9481 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7417 7272 UNI2-AS, ES 16509 9190 5883 AMAZON-02, US 7545 5716 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4248 4223 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4073 VIASAT-SP-BACKBONE, US 20940 4094 3947 AKAMAI-ASN1, NL 11492 4539 3865 CABLEONE, US 7713 3602 3532 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /9:14 /10:38 /11:100 /12:299 /13:582 /14:1193 /15:2091 /16:13493 /17:8297 /18:13811 /19:25009 /20:43944 /21:51521 /22:110303 /23:99425 /24:561945 /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 6505 7417 UNI2-AS, ES 8151 5954 11916 UNINET, MX 11492 3452 4539 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3118 4173 VIASAT-SP-BACKBONE, US 8551 2923 3446 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2581 3528 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2114 3540 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2211 2:1437 3:269 4:5 5:4378 6:159 7:6 8:1516 9:1 11:172 12:1508 13:360 14:2314 15:306 16:203 17:362 18:667 20:308 21:4 22:188 23:6500 24:2536 25:2 27:2604 29:19 31:2550 32:71 34:26 35:118 36:2008 37:4475 38:5456 39:866 40:129 41:3996 42:2062 43:2286 44:327 45:16747 46:4364 47:370 49:1850 50:1879 51:578 52:1589 54:395 55:961 56:5 57:128 58:1880 59:1161 60:1008 61:2547 62:2658 63:1904 64:5536 65:2238 66:5017 67:3047 68:1345 69:4135 70:1186 71:636 72:2942 74:2632 75:1567 76:640 77:2327 78:1825 79:3013 80:2110 81:1829 82:1540 83:1305 84:1552 85:3011 86:760 87:1945 88:1196 89:3952 90:624 91:7877 92:2075 93:2626 94:3581 95:4018 96:1305 97:315 98:1086 99:735 100:92 101:1386 102:2949 103:32249 104:4798 105:576 106:981 107:2791 108:1140 109:4252 110:2135 111:3123 112:2061 113:1746 114:1691 115:2039 116:1903 117:2454 118:2706 119:1970 120:1768 121:1208 122:2606 123:2197 124:1569 125:2612 128:1469 129:921 130:1045 131:1990 132:867 133:408 134:1774 135:301 136:913 137:1129 138:2695 139:1581 140:1321 141:1329 142:1545 143:1523 144:1006 145:345 146:1969 147:1617 148:2409 149:2360 150:888 151:1241 152:1843 153:602 154:5270 155:1400 156:2044 157:1374 158:1060 159:2201 160:2623 161:1594 162:3510 163:1629 164:1698 165:1865 166:1070 167:1751 168:3846 169:795 170:4638 171:924 172:3879 173:3004 174:979 175:1197 176:3615 177:4507 178:3557 179:2130 180:2558 181:3590 182:3379 183:1992 184:2270 185:20651 186:4742 187:4184 188:4056 189:3924 190:9328 191:1411 192:11000 193:8961 194:7315 195:5223 196:3138 197:2558 198:6023 199:6363 200:8026 201:6178 202:10512 203:10158 204:4562 205:3688 206:4417 207:3500 208:4123 209:4926 210:4448 211:2485 212:4241 213:3411 214:1113 215:71 216:6741 217:2765 218:1303 219:471 220:2034 221:989 222:763 223:2144 End of report