IPv4 R&E Routing Table Report 21:10 GMT Mon 26 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: 901403 Prefixes after maximum aggregation (per Origin AS): 341897 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 439731 Number of IPv4 prefixes with a valid ROA: 352334 Number of IPv4 prefixes with an invalid ROA: 3241 Number of IPv4 prefixes with no ROA: 545828 Total ASes present in the Internet Routing Table: 73710 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63344 Origin ASes announcing only one prefix: 26040 Transit ASes present in the Internet Routing Table: 10366 Transit-only ASes present in the Internet Routing Table: 405 Paths with bogon ASNs present in the IPv4 Routing Table: 66 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: 1109 Number of instances of unregistered ASNs: 1114 Number of 32-bit ASNs allocated by the RIRs: 40259 Number of 32-bit ASNs visible in the Routing Table: 33409 Prefixes from 32-bit ASNs in the Routing Table: 160686 Number of bogon 32-bit ASNs visible in the Routing Table: 42 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 543 Number of addresses announced to Internet: 3065960704 Equivalent to 182 /8s, 190 /16s and 217 /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: 301187 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236455 Total APNIC prefixes after maximum aggregation: 67359 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 231417 Unique aggregates announced from the APNIC address blocks: 96259 APNIC Region origin ASes present in the Internet Routing Table: 12956 APNIC Prefixes per ASN: 17.86 APNIC Region origin ASes announcing only one prefix: 3733 APNIC Region transit ASes present in the Internet Routing Table: 1765 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8203 Number of APNIC addresses announced to Internet: 773397760 Equivalent to 46 /8s, 25 /16s and 29 /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: 265697 Total ARIN prefixes after maximum aggregation: 121674 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 266387 Unique aggregates announced from the ARIN address blocks: 128302 ARIN Region origin ASes present in the Internet Routing Table: 19066 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1920 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: 4620 Number of ARIN addresses announced to Internet: 1291490048 Equivalent to 76 /8s, 250 /16s and 147 /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: 252950 Total RIPE prefixes after maximum aggregation: 118498 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250226 Unique aggregates announced from the RIPE address blocks: 153792 RIPE Region origin ASes present in the Internet Routing Table: 28203 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12050 RIPE Region transit ASes present in the Internet Routing Table: 3931 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: 10826 Number of RIPE addresses announced to Internet: 716751872 Equivalent to 42 /8s, 184 /16s and 196 /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: 116584 Total LACNIC prefixes after maximum aggregation: 27933 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116230 Unique aggregates announced from the LACNIC address blocks: 48985 LACNIC Region origin ASes present in the Internet Routing Table: 10979 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2705 LACNIC Region transit ASes present in the Internet Routing Table: 2234 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: 8738 Number of LACNIC addresses announced to Internet: 176175872 Equivalent to 10 /8s, 128 /16s and 59 /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: 28608 Total AfriNIC prefixes after maximum aggregation: 5613 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36599 Unique aggregates announced from the AfriNIC address blocks: 11955 AfriNIC Region origin ASes present in the Internet Routing Table: 1690 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 1022 Number of AfriNIC addresses announced to Internet: 107854336 Equivalent to 6 /8s, 109 /16s and 186 /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 9064 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5884 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3585 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3372 1870 59 VNPT-AS-VN VNPT Corp, VN 4538 2908 4192 74 ERX-CERNET-BKB China Education and Rese 9498 2445 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2230 11251 598 KIXS-AS-KR Korea Telecom, KR 24560 2225 853 410 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 7243 10538 2857 AMAZON-02, US 11492 4546 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3841 3067 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3531 1841 2536 AKAMAI-AS, US 6327 3484 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2601 368 284 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2535 3387 376 GOOGLE-CLOUD-PLATFORM, US 209 2347 4935 394 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 6911 1730 144 UNI2-AS, ES 20940 4076 3360 201 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2917 2290 912 ROSTELECOM-AS, RU 9009 2608 251 1341 M247, GB 6849 2590 339 20 UKRTELNET, UA 34984 2256 358 632 TELLCOM-AS, TR 58224 1796 936 540 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 10987 3392 561 Uninet S.A. de C.V., MX 10620 3482 513 831 Telmex Colombia S.A., CO 11830 2315 369 65 Instituto Costarricense de Electricidad 13999 2012 328 518 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1139 369 21 Telefonica del Peru S.A.A., PE 11664 1057 178 466 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 1570 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 996 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 612 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 10987 3392 561 Uninet S.A. de C.V., MX 9808 9064 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7243 10538 2857 AMAZON-02, US 12479 6911 1730 144 UNI2-AS, ES 7545 5884 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4546 301 591 CABLEONE, US 20940 4076 3360 201 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 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 9064 9017 CHINAMOBILE-CN China Mobile Communications Grou 12479 6911 6767 UNI2-AS, ES 7545 5884 5189 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7243 4386 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4546 3955 CABLEONE, US 8551 3991 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4076 3875 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3585 3565 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /13:589 /14:1193 /15:2091 /16:13496 /17:8335 /18:13923 /19:25071 /20:44052 /21:51530 /22:108675 /23:96420 /24:535557 /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 5914 6911 UNI2-AS, ES 8151 4726 10987 Uninet S.A. de C.V., MX 11492 3466 4546 CABLEONE, US 8551 3455 3991 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3293 3484 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2859 3841 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2445 2590 UKRTELNET, UA 30036 2259 2601 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1896 2:1024 3:163 4:5 5:3911 6:116 7:6 8:1571 9:1 11:173 12:1625 13:345 14:2362 15:264 16:68 17:362 18:316 20:238 21:4 22:188 23:5972 24:2464 25:6 27:2739 29:19 31:2438 32:91 34:7 35:89 36:1861 37:4474 38:3579 39:750 40:152 41:3916 42:1179 43:2243 44:295 45:16193 46:4171 47:309 48:1 49:1730 50:1932 51:242 52:1493 54:388 55:933 56:8 57:74 58:1819 59:1171 60:986 61:2344 62:2549 63:1912 64:5633 65:2305 66:4893 67:2988 68:1204 69:4175 70:1322 71:691 72:2994 74:2654 75:1488 76:595 77:2281 78:1879 79:3114 80:2071 81:1649 82:1510 83:1211 84:1392 85:2954 86:730 87:1915 88:1169 89:3401 90:555 91:7588 92:2061 93:2549 94:3551 95:3861 96:1312 97:348 98:1045 99:735 100:75 101:1067 102:2326 103:30127 104:4571 105:472 106:883 107:2534 108:896 109:4316 110:1990 111:3271 112:2041 113:1504 114:1514 115:2089 116:1862 117:2492 118:2330 119:1854 120:1703 121:1089 122:2538 123:2135 124:1504 125:2143 128:1241 129:1011 130:973 131:2035 132:821 133:378 134:1942 135:290 136:790 137:1024 138:2543 139:1523 140:1006 141:1455 142:1353 143:1394 144:1191 145:344 146:1868 147:1530 148:2241 149:1814 150:873 151:1106 152:1946 153:547 154:3785 155:1423 156:1698 157:1294 158:1039 159:2199 160:2535 161:1367 162:3502 163:1423 164:1683 165:1652 166:793 167:1747 168:3823 169:877 170:4520 171:847 172:3366 173:3093 174:1021 175:1160 176:3621 177:4736 178:3575 179:2155 180:2386 181:3291 182:3191 183:1932 184:2362 185:19753 186:4555 187:3908 188:3999 189:3474 190:9064 191:1428 192:10996 193:8698 194:7151 195:5069 196:2962 197:2455 198:5977 199:6037 200:7677 201:5801 202:10515 203:10229 204:4522 205:3497 206:3889 207:3425 208:4059 209:4738 210:4361 211:2389 212:4069 213:3485 214:1115 215:55 216:6425 217:2630 218:1308 219:483 220:2035 221:927 222:774 223:1972 End of report