IPv4 R&E Routing Table Report 21:10 GMT Tue 10 Jan, 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: 916693 Prefixes after maximum aggregation (per Origin AS): 347300 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 444768 Number of IPv4 prefixes with a valid ROA: 376591 Number of IPv4 prefixes with an invalid ROA: 2780 Number of IPv4 prefixes with no ROA: 537322 Total ASes present in the Internet Routing Table: 74002 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63586 Origin ASes announcing only one prefix: 26125 Transit ASes present in the Internet Routing Table: 10416 Transit-only ASes present in the Internet Routing Table: 421 Paths with bogon ASNs present in the IPv4 Routing Table: 58 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: 1012 Number of instances of unregistered ASNs: 1021 Number of 32-bit ASNs allocated by the RIRs: 41047 Number of 32-bit ASNs visible in the Routing Table: 33982 Prefixes from 32-bit ASNs in the Routing Table: 166229 Number of bogon 32-bit ASNs visible in the Routing Table: 51 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 505 Number of addresses announced to Internet: 3063047424 Equivalent to 182 /8s, 146 /16s and 101 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 311449 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237774 Total APNIC prefixes after maximum aggregation: 68344 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232644 Unique aggregates announced from the APNIC address blocks: 97550 APNIC Region origin ASes present in the Internet Routing Table: 13201 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3843 APNIC Region transit ASes present in the Internet Routing Table: 1780 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8473 Number of APNIC addresses announced to Internet: 773459456 Equivalent to 46 /8s, 26 /16s and 14 /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: 267423 Total ARIN prefixes after maximum aggregation: 121934 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 269079 Unique aggregates announced from the ARIN address blocks: 129659 ARIN Region origin ASes present in the Internet Routing Table: 19062 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 6987 ARIN Region transit ASes present in the Internet Routing Table: 1932 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4713 Number of ARIN addresses announced to Internet: 1285762048 Equivalent to 76 /8s, 163 /16s and 44 /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: 263966 Total RIPE prefixes after maximum aggregation: 122177 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260832 Unique aggregates announced from the RIPE address blocks: 156106 RIPE Region origin ASes present in the Internet Routing Table: 28213 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 3916 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10974 Number of RIPE addresses announced to Internet: 719301376 Equivalent to 42 /8s, 223 /16s and 171 /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: 117638 Total LACNIC prefixes after maximum aggregation: 28371 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116864 Unique aggregates announced from the LACNIC address blocks: 48947 LACNIC Region origin ASes present in the Internet Routing Table: 11004 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2271 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8770 Number of LACNIC addresses announced to Internet: 176075008 Equivalent to 10 /8s, 126 /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: 28880 Total AfriNIC prefixes after maximum aggregation: 5711 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36768 Unique aggregates announced from the AfriNIC address blocks: 12095 AfriNIC Region origin ASes present in the Internet Routing Table: 1708 AfriNIC Prefixes per ASN: 21.53 AfriNIC Region origin ASes announcing only one prefix: 594 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1052 Number of AfriNIC addresses announced to Internet: 108156928 Equivalent to 6 /8s, 114 /16s and 88 /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 9248 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5939 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3627 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3095 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2697 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2359 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 589 KIXS-AS-KR Korea Telecom, KR 4538 2258 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2195 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 7767 10638 2906 AMAZON-02, US 11492 4548 301 566 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3689 3062 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3458 1783 2511 AKAMAI-AS, US 749 3025 50576 2292 DNIC-AS-00749, US 7018 2618 24133 1586 ATT-INTERNET4, US 396982 2573 3493 368 GOOGLE-CLOUD-PLATFORM, US 30036 2571 369 366 MEDIACOM-ENTERPRISE-BUSINESS, 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 6963 1706 146 UNI2-AS, ES 9121 6167 1692 17 TTNET, TR 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4060 3400 179 AKAMAI-ASN1, NL 8551 3912 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 908 ROSTELECOM-AS, RU 47331 2668 384 2011 TTNET, TR 9009 2645 252 1352 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, 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 10972 3338 589 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2204 361 591 Mega Cable, S.A. de C.V., MX 28573 1342 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1136 186 461 Techtel LMDS Comunicaciones Interactiva 26615 991 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 24835 1538 533 30 RAYA-AS, EG 24863 1459 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1241 550 98 MT-MPLS, MA 29571 1014 67 43 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 520 53 43 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 366 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 10972 3338 589 Uninet S.A. de C.V., MX 9808 9248 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7767 10638 2906 AMAZON-02, US 12479 6963 1706 146 UNI2-AS, ES 9121 6167 1692 17 TTNET, TR 7545 5939 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4548 301 566 CABLEONE, US 20940 4060 3400 179 AKAMAI-ASN1, NL 8551 3912 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 9248 9201 CHINAMOBILE-CN China Mobile Communications Grou 12479 6963 6817 UNI2-AS, ES 9121 6167 6150 TTNET, TR 7545 5939 5239 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7767 4861 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4548 3982 CABLEONE, US 20940 4060 3881 AKAMAI-ASN1, NL 8551 3912 3874 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3894 3861 VIASAT-SP-BACKBONE, 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 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 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 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 6461 ZAYO-6461, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 6461 ZAYO-6461, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 6461 ZAYO-6461, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 6461 ZAYO-6461, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /12:299 /13:582 /14:1199 /15:2076 /16:13500 /17:8298 /18:13883 /19:25044 /20:43504 /21:52134 /22:110026 /23:98172 /24:547806 /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 6016 6963 UNI2-AS, ES 9121 5324 6167 TTNET, TR 8151 4986 10972 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3455 4548 CABLEONE, US 8551 3377 3912 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3328 3520 SHAW, CA 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2724 3689 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2325 2668 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1626 2:1241 3:167 4:5 5:4104 6:110 7:5 8:1535 9:1 11:172 12:1594 13:373 14:2324 15:285 16:79 17:369 18:414 20:243 21:4 22:188 23:6064 24:2490 25:4 27:2725 29:19 31:2500 32:99 34:8 35:95 36:1847 37:4597 38:4012 39:831 40:144 41:3942 42:1052 43:2314 44:304 45:16471 46:4200 47:382 49:1727 50:1934 51:378 52:1543 54:395 55:863 56:8 57:81 58:1755 59:1172 60:1010 61:2416 62:2647 63:1938 64:5637 65:2322 66:4899 67:3040 68:1345 69:4086 70:1255 71:662 72:2980 74:2596 75:1465 76:597 77:2365 78:3932 79:3167 80:2066 81:1825 82:1482 83:1230 84:1514 85:3734 86:748 87:1922 88:2857 89:3554 90:591 91:7647 92:1986 93:2581 94:3527 95:4868 96:1315 97:344 98:1163 99:737 100:77 101:1063 102:2532 103:30812 104:4604 105:483 106:839 107:2534 108:912 109:4390 110:2048 111:3261 112:2026 113:1484 114:1599 115:2109 116:1850 117:2515 118:2289 119:1898 120:1714 121:1079 122:2593 123:2170 124:1542 125:2320 128:1313 129:1057 130:980 131:2018 132:843 133:405 134:1904 135:297 136:894 137:1064 138:2601 139:1534 140:1029 141:1482 142:1424 143:1443 144:1189 145:350 146:1901 147:1555 148:2297 149:1875 150:868 151:1134 152:1976 153:557 154:3846 155:1404 156:1657 157:1300 158:1047 159:2258 160:2571 161:1424 162:3555 163:1489 164:1689 165:1670 166:831 167:1756 168:3833 169:920 170:4578 171:889 172:3495 173:3061 174:1026 175:1163 176:3716 177:4748 178:3551 179:2153 180:2432 181:3372 182:3239 183:1936 184:2347 185:20021 186:4672 187:3935 188:4084 189:3452 190:9044 191:1439 192:10976 193:8860 194:7221 195:5122 196:2982 197:2385 198:5996 199:6105 200:7740 201:5878 202:10518 203:10247 204:4603 205:3512 206:3861 207:3395 208:4103 209:4811 210:4358 211:2422 212:4107 213:3557 214:1107 215:55 216:6585 217:2643 218:1293 219:472 220:2033 221:968 222:738 223:1972 End of report