IPv4 R&E Routing Table Report 21:10 GMT Tue 20 Sep, 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: 900132 Prefixes after maximum aggregation (per Origin AS): 341128 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 439660 Number of IPv4 prefixes with a valid ROA: 351283 Number of IPv4 prefixes with an invalid ROA: 3075 Number of IPv4 prefixes with no ROA: 545774 Total ASes present in the Internet Routing Table: 73675 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63310 Origin ASes announcing only one prefix: 26017 Transit ASes present in the Internet Routing Table: 10365 Transit-only ASes present in the Internet Routing Table: 406 Paths with bogon ASNs present in the IPv4 Routing Table: 64 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: 1135 Number of instances of unregistered ASNs: 1138 Number of 32-bit ASNs allocated by the RIRs: 40182 Number of 32-bit ASNs visible in the Routing Table: 33374 Prefixes from 32-bit ASNs in the Routing Table: 160348 Number of bogon 32-bit ASNs visible in the Routing Table: 35 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 607 Number of addresses announced to Internet: 3067731456 Equivalent to 182 /8s, 217 /16s and 222 /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: 300903 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235883 Total APNIC prefixes after maximum aggregation: 67301 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 230886 Unique aggregates announced from the APNIC address blocks: 96440 APNIC Region origin ASes present in the Internet Routing Table: 12943 APNIC Prefixes per ASN: 17.84 APNIC Region origin ASes announcing only one prefix: 3732 APNIC Region transit ASes present in the Internet Routing Table: 1769 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8190 Number of APNIC addresses announced to Internet: 772981248 Equivalent to 46 /8s, 18 /16s and 194 /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: 265328 Total ARIN prefixes after maximum aggregation: 121127 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265964 Unique aggregates announced from the ARIN address blocks: 128119 ARIN Region origin ASes present in the Internet Routing Table: 19062 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 6945 ARIN Region transit ASes present in the Internet Routing Table: 1919 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4617 Number of ARIN addresses announced to Internet: 1291961344 Equivalent to 77 /8s, 1 /16s and 196 /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: 252786 Total RIPE prefixes after maximum aggregation: 118405 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250065 Unique aggregates announced from the RIPE address blocks: 153708 RIPE Region origin ASes present in the Internet Routing Table: 28186 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12043 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: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10817 Number of RIPE addresses announced to Internet: 718368768 Equivalent to 42 /8s, 209 /16s and 112 /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: 116684 Total LACNIC prefixes after maximum aggregation: 27888 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116290 Unique aggregates announced from the LACNIC address blocks: 48983 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2701 LACNIC Region transit ASes present in the Internet Routing Table: 2239 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8729 Number of LACNIC addresses announced to Internet: 176299520 Equivalent to 10 /8s, 130 /16s and 30 /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: 28316 Total AfriNIC prefixes after maximum aggregation: 5587 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36319 Unique aggregates announced from the AfriNIC address blocks: 11916 AfriNIC Region origin ASes present in the Internet Routing Table: 1691 AfriNIC Prefixes per ASN: 21.48 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1021 Number of AfriNIC addresses announced to Internet: 107806208 Equivalent to 6 /8s, 108 /16s and 254 /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 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5852 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3119 1859 71 VNPT-AS-VN VNPT Corp, VN 4538 2908 4192 74 ERX-CERNET-BKB China Education and Rese 9498 2443 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2229 11123 598 KIXS-AS-KR Korea Telecom, KR 24560 2214 854 414 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2180 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 7118 10487 2838 AMAZON-02, US 11492 4544 301 592 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3843 3068 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3533 1836 2536 AKAMAI-AS, US 6327 3467 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2603 368 285 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2534 3387 367 GOOGLE-CLOUD-PLATFORM, US 209 2347 4935 393 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 6917 1730 144 UNI2-AS, ES 20940 4072 3361 202 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2914 2290 908 ROSTELECOM-AS, RU 6849 2672 355 21 UKRTELNET, UA 9009 2590 250 1335 M247, GB 34984 2257 358 633 TELLCOM-AS, TR 58224 1797 936 536 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 10956 3392 562 Uninet S.A. de C.V., MX 10620 3503 515 787 Telmex Colombia S.A., CO 11830 2321 369 65 Instituto Costarricense de Electricidad 13999 2000 326 512 Mega Cable, S.A. de C.V., MX 28573 1359 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1058 179 467 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1580 393 21 LINKdotNET-AS, EG 24835 1476 449 28 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 989 67 40 ORANGE-COTE-IVOIRE, CI 36935 626 518 29 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 521 52 41 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 402 232 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 10956 3392 562 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7118 10487 2838 AMAZON-02, US 12479 6917 1730 144 UNI2-AS, ES 7545 5852 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4544 301 592 CABLEONE, US 20940 4072 3361 202 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, 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 9060 9013 CHINAMOBILE-CN China Mobile Communications Grou 12479 6917 6773 UNI2-AS, ES 7545 5852 5160 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7118 4280 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4544 3952 CABLEONE, US 8551 3988 3950 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4072 3870 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3583 3563 VIETEL-AS-AP Viettel Group, VN 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 25674 UNALLOCATED 8.12.76.0/24 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 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 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 24.152.20.0/23 Origin: 270472 UNASSIGNED 24.152.20.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 24.152.22.0/23 Origin: 270472 UNASSIGNED 24.152.22.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 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 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 /12:301 /13:590 /14:1198 /15:2092 /16:13515 /17:8344 /18:13917 /19:25052 /20:43857 /21:51462 /22:108452 /23:96330 /24:534852 /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 5917 6917 UNI2-AS, ES 8151 4696 10956 Uninet S.A. de C.V., MX 11492 3464 4544 CABLEONE, US 8551 3452 3988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3276 3467 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2858 3843 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2528 2672 UKRTELNET, UA 30036 2260 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1900 2:1024 3:163 4:5 5:3893 6:116 7:6 8:1575 9:1 11:173 12:1629 13:339 14:2356 15:264 16:51 17:362 18:311 20:243 21:4 22:188 23:5954 24:2444 25:6 27:2734 29:19 31:2410 32:91 34:7 35:89 36:1856 37:4468 38:3552 39:744 40:155 41:3909 42:1165 43:2244 44:293 45:16182 46:4177 47:309 48:1 49:1708 50:1931 51:241 52:1488 54:385 55:831 56:8 57:68 58:1819 59:1172 60:979 61:2338 62:2545 63:1913 64:5629 65:2331 66:4883 67:2987 68:1200 69:4144 70:1323 71:692 72:2993 74:2639 75:1455 76:587 77:2265 78:1881 79:3133 80:2063 81:1660 82:1506 83:1208 84:1400 85:2946 86:725 87:1916 88:1171 89:3422 90:555 91:7603 92:2039 93:2546 94:3547 95:3854 96:1311 97:349 98:1041 99:722 100:75 101:1067 102:2335 103:30105 104:4583 105:465 106:890 107:2536 108:882 109:4305 110:1986 111:3271 112:2041 113:1503 114:1510 115:2093 116:1857 117:2488 118:2327 119:1839 120:1704 121:1087 122:2536 123:2127 124:1495 125:2152 128:1240 129:1019 130:1008 131:2044 132:826 133:376 134:1941 135:294 136:787 137:1020 138:2548 139:1524 140:965 141:1452 142:1360 143:1407 144:1191 145:345 146:1865 147:1522 148:2257 149:1792 150:871 151:1088 152:1942 153:547 154:3765 155:1422 156:1704 157:1289 158:1044 159:2192 160:2528 161:1344 162:3497 163:1408 164:1679 165:1657 166:796 167:1747 168:3822 169:880 170:4534 171:842 172:3382 173:3107 174:1023 175:1158 176:3623 177:4664 178:3568 179:2158 180:2385 181:3298 182:3190 183:1925 184:2360 185:19742 186:4589 187:3909 188:4005 189:3462 190:9073 191:1447 192:11005 193:8667 194:7138 195:5067 196:2974 197:2449 198:5983 199:6035 200:7691 201:5806 202:10493 203:10209 204:4520 205:3479 206:3862 207:3426 208:4059 209:4727 210:4363 211:2391 212:4046 213:3485 214:1120 215:54 216:6425 217:2626 218:1307 219:472 220:2030 221:927 222:773 223:1971 End of report