IPv4 R&E Routing Table Report 21:10 GMT Wed 12 Apr, 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: 916603 Prefixes after maximum aggregation (per Origin AS): 347791 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 448195 Number of IPv4 prefixes with a valid ROA: 388023 Number of IPv4 prefixes with an invalid ROA: 2618 Number of IPv4 prefixes with no ROA: 525962 Total ASes present in the Internet Routing Table: 74293 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63822 Origin ASes announcing only one prefix: 26165 Transit ASes present in the Internet Routing Table: 10471 Transit-only ASes present in the Internet Routing Table: 436 Paths with bogon ASNs present in the IPv4 Routing Table: 52 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1443 Number of instances of unregistered ASNs: 1445 Number of 32-bit ASNs allocated by the RIRs: 41634 Number of 32-bit ASNs visible in the Routing Table: 34436 Prefixes from 32-bit ASNs in the Routing Table: 170067 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 939 Number of addresses announced to Internet: 3060939520 Equivalent to 182 /8s, 114 /16s and 59 /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: 306207 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240494 Total APNIC prefixes after maximum aggregation: 68755 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234776 Unique aggregates announced from the APNIC address blocks: 97703 APNIC Region origin ASes present in the Internet Routing Table: 13373 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 3914 APNIC Region transit ASes present in the Internet Routing Table: 1810 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: 8681 Number of APNIC addresses announced to Internet: 773129984 Equivalent to 46 /8s, 21 /16s and 7 /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: 268558 Total ARIN prefixes after maximum aggregation: 121945 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271160 Unique aggregates announced from the ARIN address blocks: 130691 ARIN Region origin ASes present in the Internet Routing Table: 19065 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1936 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4778 Number of ARIN addresses announced to Internet: 1284785664 Equivalent to 76 /8s, 148 /16s and 70 /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: 259066 Total RIPE prefixes after maximum aggregation: 122075 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254972 Unique aggregates announced from the RIPE address blocks: 157595 RIPE Region origin ASes present in the Internet Routing Table: 28294 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3908 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11120 Number of RIPE addresses announced to Internet: 717792768 Equivalent to 42 /8s, 200 /16s and 166 /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: 117652 Total LACNIC prefixes after maximum aggregation: 28356 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116966 Unique aggregates announced from the LACNIC address blocks: 49196 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2274 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: 8772 Number of LACNIC addresses announced to Internet: 176642304 Equivalent to 10 /8s, 135 /16s and 89 /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: 29390 Total AfriNIC prefixes after maximum aggregation: 5803 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37789 Unique aggregates announced from the AfriNIC address blocks: 12336 AfriNIC Region origin ASes present in the Internet Routing Table: 1736 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 608 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1085 Number of AfriNIC addresses announced to Internet: 107794944 Equivalent to 6 /8s, 108 /16s and 210 /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 9555 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5727 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3559 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3549 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3376 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2926 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2741 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2372 836 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 45090 2184 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 8248 10780 2901 AMAZON-02, US 11492 4542 301 607 CABLEONE, US 7155 3968 279 48 VIASAT-SP-BACKBONE, US 22773 3608 3073 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3147 1579 2331 AKAMAI-AS, US 749 3052 50540 2319 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2577 24118 1573 ATT-INTERNET4, US 30036 2493 360 505 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 7243 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4067 3399 166 AKAMAI-ASN1, NL 8551 3885 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2930 2292 911 ROSTELECOM-AS, RU 9009 2657 250 1382 M247, RO 34984 2270 359 611 TELLCOM-AS, TR 6849 2017 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1606 100 26 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 11079 3343 579 Uninet S.A. de C.V., MX 10620 3500 507 851 Telmex Colombia S.A., CO 13999 2312 354 610 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1331 2325 235 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1104 181 444 Techtel LMDS Comunicaciones Interactiva 26615 1027 2498 45 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 1576 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1022 67 48 ORANGE-COTE-IVOIRE, CI 36935 872 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 528 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 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 11079 3343 579 Uninet S.A. de C.V., MX 9808 9555 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8248 10780 2901 AMAZON-02, US 12479 7243 1705 149 UNI2-AS, ES 7545 5727 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4542 301 607 CABLEONE, US 20940 4067 3399 166 AKAMAI-ASN1, NL 7155 3968 279 48 VIASAT-SP-BACKBONE, US 8551 3885 370 37 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 9555 9507 CHINAMOBILE-CN China Mobile Communications Grou 12479 7243 7094 UNI2-AS, ES 16509 8248 5347 AMAZON-02, US 7545 5727 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4542 3935 CABLEONE, US 7155 3968 3920 VIASAT-SP-BACKBONE, US 20940 4067 3901 AKAMAI-ASN1, NL 8551 3885 3848 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3549 3528 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 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 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 100.127.0.0/16 27720 CITTA TELECOM LTDA, BR 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 23.131.185.0/24 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 /11:103 /12:299 /13:578 /14:1196 /15:2070 /16:13466 /17:8246 /18:13809 /19:25020 /20:43730 /21:51444 /22:109446 /23:97667 /24:549460 /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 6303 7243 UNI2-AS, ES 8151 5064 11079 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3450 4542 CABLEONE, US 8551 3357 3885 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3040 3968 VIASAT-SP-BACKBONE, US 22773 2675 3608 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2054 3500 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) ---------------------------------------------- 1:1669 2:1238 3:173 4:5 5:4495 6:128 7:6 8:1525 9:1 11:172 12:1548 13:391 14:2304 15:297 16:183 17:372 18:416 20:248 21:4 22:188 23:6216 24:2604 25:6 27:2569 29:19 31:2525 32:86 34:10 35:106 36:1931 37:4648 38:4467 39:805 40:151 41:3968 42:985 43:2334 44:306 45:16537 46:4233 47:361 49:1730 50:1831 51:571 52:1594 54:388 55:854 56:8 57:95 58:1763 59:1127 60:975 61:2465 62:2634 63:1919 64:5687 65:2314 66:4951 67:3048 68:1380 69:4171 70:1253 71:679 72:2977 74:2613 75:1469 76:609 77:2434 78:1862 79:3166 80:2095 81:1745 82:1488 83:1280 84:1530 85:2999 86:757 87:1986 88:1247 89:3617 90:611 91:7690 92:2059 93:2617 94:3595 95:4029 96:1328 97:336 98:1157 99:746 100:74 101:1070 102:2692 103:31347 104:4657 105:483 106:823 107:2525 108:1022 109:4428 110:2083 111:3204 112:2070 113:1516 114:1635 115:2077 116:1912 117:2566 118:2278 119:2024 120:1776 121:1079 122:2629 123:2180 124:1564 125:2522 128:1328 129:1055 130:1023 131:1987 132:854 133:422 134:1901 135:305 136:879 137:1085 138:2566 139:1565 140:1238 141:1462 142:1437 143:1496 144:1168 145:347 146:1940 147:1575 148:2341 149:2056 150:879 151:1155 152:1848 153:566 154:4425 155:1428 156:1812 157:1307 158:1053 159:2289 160:2525 161:1525 162:3534 163:1564 164:1631 165:1726 166:1016 167:1741 168:3881 169:942 170:4605 171:866 172:3555 173:2933 174:1069 175:1171 176:3674 177:4573 178:3575 179:2144 180:2459 181:3422 182:3335 183:1938 184:2355 185:20182 186:4778 187:3936 188:4080 189:3534 190:9134 191:1449 192:10924 193:8853 194:7304 195:5139 196:3096 197:2383 198:5971 199:6102 200:8014 201:5817 202:10582 203:10262 204:4627 205:3551 206:4149 207:3459 208:4085 209:4891 210:4352 211:2441 212:4106 213:3573 214:1084 215:59 216:6642 217:2687 218:1312 219:471 220:2017 221:976 222:790 223:2152 End of report