IPv4 R&E Routing Table Report 21:10 GMT Tue 04 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: 915423 Prefixes after maximum aggregation (per Origin AS): 347541 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447693 Number of IPv4 prefixes with a valid ROA: 383016 Number of IPv4 prefixes with an invalid ROA: 2510 Number of IPv4 prefixes with no ROA: 529897 Total ASes present in the Internet Routing Table: 74275 Prefixes per ASN: 12.32 Origin-only ASes present in the Internet Routing Table: 63804 Origin ASes announcing only one prefix: 26181 Transit ASes present in the Internet Routing Table: 10471 Transit-only ASes present in the Internet Routing Table: 449 Paths with bogon ASNs present in the IPv4 Routing Table: 61 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: 1097 Number of instances of unregistered ASNs: 1099 Number of 32-bit ASNs allocated by the RIRs: 41592 Number of 32-bit ASNs visible in the Routing Table: 34408 Prefixes from 32-bit ASNs in the Routing Table: 169328 Number of bogon 32-bit ASNs visible in the Routing Table: 53 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3061408512 Equivalent to 182 /8s, 121 /16s and 99 /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: 306168 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240327 Total APNIC prefixes after maximum aggregation: 68667 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234916 Unique aggregates announced from the APNIC address blocks: 98056 APNIC Region origin ASes present in the Internet Routing Table: 13378 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 3934 APNIC Region transit ASes present in the Internet Routing Table: 1804 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8682 Number of APNIC addresses announced to Internet: 773369856 Equivalent to 46 /8s, 24 /16s and 176 /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: 268487 Total ARIN prefixes after maximum aggregation: 122137 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270892 Unique aggregates announced from the ARIN address blocks: 130506 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.20 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1934 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4766 Number of ARIN addresses announced to Internet: 1285277184 Equivalent to 76 /8s, 155 /16s and 198 /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: 258654 Total RIPE prefixes after maximum aggregation: 121822 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254722 Unique aggregates announced from the RIPE address blocks: 157424 RIPE Region origin ASes present in the Internet Routing Table: 28285 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12023 RIPE Region transit ASes present in the Internet Routing Table: 3920 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: 11111 Number of RIPE addresses announced to Internet: 717951488 Equivalent to 42 /8s, 203 /16s and 18 /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: 117561 Total LACNIC prefixes after maximum aggregation: 28378 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116884 Unique aggregates announced from the LACNIC address blocks: 49029 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2264 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: 176688384 Equivalent to 10 /8s, 136 /16s and 13 /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: 29297 Total AfriNIC prefixes after maximum aggregation: 5763 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 37504 Unique aggregates announced from the AfriNIC address blocks: 12272 AfriNIC Region origin ASes present in the Internet Routing Table: 1730 AfriNIC Prefixes per ASN: 21.68 AfriNIC Region origin ASes announcing only one prefix: 601 AfriNIC Region transit ASes present in the Internet Routing Table: 335 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: 1079 Number of AfriNIC addresses announced to Internet: 107759872 Equivalent to 6 /8s, 108 /16s and 73 /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 9527 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5745 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3561 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3549 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3369 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2904 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2746 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2362 835 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2308 11250 588 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 8232 10776 2902 AMAZON-02, US 11492 4538 301 622 CABLEONE, US 7155 3966 279 48 VIASAT-SP-BACKBONE, US 22773 3613 3077 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3513 1320 64 SHAW, CA 16625 3149 1580 2333 AKAMAI-AS, US 749 3053 50540 2320 DNIC-AS-00749, US 396982 2627 3590 361 GOOGLE-CLOUD-PLATFORM, US 7018 2580 24117 1576 ATT-INTERNET4, US 30036 2487 359 533 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 7249 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4062 3399 166 AKAMAI-ASN1, NL 8551 3885 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2930 2292 911 ROSTELECOM-AS, RU 9009 2660 251 1382 M247, RO 34984 2267 359 609 TELLCOM-AS, TR 6849 2164 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 11205 3342 578 Uninet S.A. de C.V., MX 10620 3499 506 850 Telmex Colombia S.A., CO 13999 2307 368 608 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1333 2325 235 Claro NXT Telecomunicacoes Ltda, BR 3816 1303 767 159 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 447 Techtel LMDS Comunicaciones Interactiva 26615 1030 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 1554 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1022 67 48 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 527 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 487 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 11205 3342 578 Uninet S.A. de C.V., MX 9808 9527 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8232 10776 2902 AMAZON-02, US 12479 7249 1705 149 UNI2-AS, ES 7545 5745 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4538 301 622 CABLEONE, US 20940 4062 3399 166 AKAMAI-ASN1, NL 7155 3966 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 9527 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7249 7100 UNI2-AS, ES 16509 8232 5330 AMAZON-02, US 7545 5745 5055 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3966 3918 VIASAT-SP-BACKBONE, US 11492 4538 3916 CABLEONE, US 20940 4062 3896 AKAMAI-ASN1, NL 8551 3885 3848 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3561 3540 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., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 23.131.185.0/24 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 /15:2071 /16:13471 /17:8245 /18:13821 /19:25041 /20:43744 /21:51460 /22:109429 /23:97724 /24:548172 /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 6309 7249 UNI2-AS, ES 8151 5172 11205 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3446 4538 CABLEONE, US 8551 3357 3885 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3322 3513 SHAW, CA 7155 3040 3966 VIASAT-SP-BACKBONE, US 22773 2678 3613 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2144 2487 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2053 3499 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) ---------------------------------------------- 1:1670 2:1238 3:170 4:5 5:4477 6:122 7:6 8:1525 9:1 11:172 12:1574 13:394 14:2298 15:299 16:185 17:371 18:412 20:248 21:4 22:188 23:6170 24:2601 25:6 27:2575 29:19 31:2513 32:91 34:10 35:106 36:1919 37:4659 38:4431 39:804 40:151 41:3944 42:983 43:2340 44:308 45:16531 46:4218 47:374 49:1730 50:1828 51:571 52:1589 54:389 55:767 56:8 57:94 58:1761 59:1130 60:982 61:2443 62:2636 63:1922 64:5691 65:2321 66:4944 67:3044 68:1374 69:4129 70:1253 71:679 72:2974 74:2599 75:1462 76:607 77:2430 78:1862 79:3163 80:2098 81:1743 82:1491 83:1276 84:1531 85:2997 86:749 87:1990 88:1237 89:3619 90:618 91:7679 92:2045 93:2583 94:3604 95:4020 96:1329 97:336 98:1157 99:745 100:74 101:1070 102:2681 103:31335 104:4641 105:484 106:825 107:2562 108:1019 109:4402 110:2080 111:3202 112:2065 113:1514 114:1624 115:2084 116:1906 117:2567 118:2287 119:2007 120:1776 121:1073 122:2626 123:2171 124:1568 125:2530 128:1331 129:1062 130:1006 131:1986 132:844 133:421 134:1903 135:303 136:869 137:1088 138:2568 139:1531 140:1238 141:1454 142:1422 143:1499 144:1166 145:350 146:1930 147:1573 148:2334 149:1999 150:877 151:1154 152:1844 153:567 154:4289 155:1419 156:1731 157:1302 158:1049 159:2277 160:2543 161:1532 162:3549 163:1554 164:1599 165:1726 166:970 167:1734 168:3880 169:937 170:4597 171:871 172:3543 173:2930 174:1025 175:1171 176:3680 177:4557 178:3633 179:2141 180:2452 181:3423 182:3332 183:1938 184:2348 185:20179 186:4675 187:3945 188:4079 189:3552 190:9147 191:1435 192:10935 193:8850 194:7318 195:5143 196:3089 197:2384 198:5963 199:6100 200:7879 201:5879 202:10588 203:10253 204:4626 205:3554 206:4000 207:3446 208:4096 209:4883 210:4358 211:2443 212:4099 213:3548 214:1082 215:60 216:6623 217:2676 218:1311 219:474 220:2016 221:978 222:790 223:2151 End of report