IPv4 R&E Routing Table Report 21:10 GMT Sat 29 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: 918227 Prefixes after maximum aggregation (per Origin AS): 348074 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 449089 Number of IPv4 prefixes with a valid ROA: 395389 Number of IPv4 prefixes with an invalid ROA: 2860 Number of IPv4 prefixes with no ROA: 519978 Total ASes present in the Internet Routing Table: 74333 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63837 Origin ASes announcing only one prefix: 26169 Transit ASes present in the Internet Routing Table: 10496 Transit-only ASes present in the Internet Routing Table: 437 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: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1107 Number of instances of unregistered ASNs: 1165 Number of 32-bit ASNs allocated by the RIRs: 41758 Number of 32-bit ASNs visible in the Routing Table: 34501 Prefixes from 32-bit ASNs in the Routing Table: 170913 Number of bogon 32-bit ASNs visible in the Routing Table: 161 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 633 Number of addresses announced to Internet: 3059419392 Equivalent to 182 /8s, 91 /16s and 9 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306596 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241359 Total APNIC prefixes after maximum aggregation: 68732 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 235636 Unique aggregates announced from the APNIC address blocks: 97886 APNIC Region origin ASes present in the Internet Routing Table: 13373 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3918 APNIC Region transit ASes present in the Internet Routing Table: 1803 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: 8694 Number of APNIC addresses announced to Internet: 772995584 Equivalent to 46 /8s, 18 /16s and 250 /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: 268899 Total ARIN prefixes after maximum aggregation: 122050 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271547 Unique aggregates announced from the ARIN address blocks: 130953 ARIN Region origin ASes present in the Internet Routing Table: 19072 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6952 ARIN Region transit ASes present in the Internet Routing Table: 1940 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: 4786 Number of ARIN addresses announced to Internet: 1283365376 Equivalent to 76 /8s, 126 /16s and 154 /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: 259483 Total RIPE prefixes after maximum aggregation: 122280 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255421 Unique aggregates announced from the RIPE address blocks: 158074 RIPE Region origin ASes present in the Internet Routing Table: 28319 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12051 RIPE Region transit ASes present in the Internet Routing Table: 3916 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11155 Number of RIPE addresses announced to Internet: 717995008 Equivalent to 42 /8s, 203 /16s and 188 /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: 118116 Total LACNIC prefixes after maximum aggregation: 28419 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117381 Unique aggregates announced from the LACNIC address blocks: 49359 LACNIC Region origin ASes present in the Internet Routing Table: 10993 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2638 LACNIC Region transit ASes present in the Internet Routing Table: 2301 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: 8781 Number of LACNIC addresses announced to Internet: 176730880 Equivalent to 10 /8s, 136 /16s and 179 /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: 29263 Total AfriNIC prefixes after maximum aggregation: 5802 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 37608 Unique aggregates announced from the AfriNIC address blocks: 12294 AfriNIC Region origin ASes present in the Internet Routing Table: 1736 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1085 Number of AfriNIC addresses announced to Internet: 107915776 Equivalent to 6 /8s, 110 /16s and 170 /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 9478 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5730 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4041 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3561 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3227 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2943 489 234 BBIL-AP BHARTI Airtel Ltd., IN 4538 2749 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2386 837 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 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 8250 10774 2930 AMAZON-02, US 11492 4541 301 608 CABLEONE, US 7155 3976 281 51 VIASAT-SP-BACKBONE, US 22773 3591 3073 284 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3522 1320 64 SHAW, CA 16625 3160 1575 2353 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2635 3590 366 GOOGLE-CLOUD-PLATFORM, US 7018 2518 24151 1580 ATT-INTERNET4, US 30036 2503 361 438 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 7271 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4085 3399 166 AKAMAI-ASN1, NL 8551 3882 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2928 2292 909 ROSTELECOM-AS, RU 9009 2678 250 1400 M247, RO 34984 2275 359 613 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1854 950 533 TCI, IR 13188 1607 100 18 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 11254 3343 591 Uninet S.A. de C.V., MX 10620 3510 507 854 Telmex Colombia S.A., CO 13999 2334 358 616 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 240 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 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 441 Techtel LMDS Comunicaciones Interactiva 26615 1035 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 1585 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1024 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 518 54 46 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 489 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 11254 3343 591 Uninet S.A. de C.V., MX 9808 9478 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8250 10774 2930 AMAZON-02, US 12479 7271 1706 140 UNI2-AS, ES 7545 5730 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4541 301 608 CABLEONE, US 20940 4085 3399 166 AKAMAI-ASN1, NL 45899 4041 1872 41 VNPT-AS-VN VNPT Corp, VN 7155 3976 281 51 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 9478 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7271 7131 UNI2-AS, ES 16509 8250 5320 AMAZON-02, US 7545 5730 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4041 4000 VNPT-AS-VN VNPT Corp, VN 11492 4541 3933 CABLEONE, US 7155 3976 3925 VIASAT-SP-BACKBONE, US 20940 4085 3919 AKAMAI-ASN1, NL 8551 3882 3845 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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, 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 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 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 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 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 /9:14 /10:39 /11:103 /12:298 /13:578 /14:1194 /15:2081 /16:13452 /17:8216 /18:14239 /19:25048 /20:43734 /21:51114 /22:109372 /23:97784 /24:550944 /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 6331 7271 UNI2-AS, ES 8151 5201 11254 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3454 4541 CABLEONE, US 8551 3354 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3522 SHAW, CA 7155 3043 3976 VIASAT-SP-BACKBONE, US 22773 2656 3591 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2064 3510 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) ---------------------------------------------- 1:1783 2:1288 3:175 4:5 5:4514 6:128 7:6 8:1526 9:1 11:172 12:1535 13:384 14:2330 15:299 16:182 17:370 18:417 20:256 21:4 22:188 23:6241 24:2587 25:6 27:2536 29:19 31:2500 32:78 34:12 35:108 36:1937 37:4656 38:4463 39:823 40:150 41:3938 42:1227 43:2342 44:308 45:16561 46:4270 47:362 49:1732 50:1836 51:573 52:1593 54:390 55:858 56:8 57:119 58:1787 59:1151 60:993 61:2450 62:2647 63:1925 64:5687 65:2326 66:5000 67:3037 68:1367 69:4138 70:1235 71:679 72:2983 74:2609 75:1449 76:613 77:2438 78:1815 79:3171 80:2115 81:1761 82:1489 83:1277 84:1531 85:2984 86:764 87:2017 88:1170 89:3694 90:613 91:7737 92:2062 93:2623 94:3602 95:4012 96:1323 97:335 98:1153 99:746 100:74 101:1076 102:2669 103:31364 104:4623 105:488 106:866 107:2454 108:1021 109:4420 110:2087 111:3086 112:2032 113:1593 114:1636 115:2070 116:1898 117:2541 118:2380 119:2020 120:1765 121:1078 122:2592 123:2205 124:1563 125:2492 128:1390 129:1050 130:1025 131:2010 132:859 133:422 134:1903 135:303 136:880 137:1088 138:2579 139:1562 140:1248 141:1477 142:1442 143:1500 144:1165 145:347 146:1947 147:1579 148:2353 149:2212 150:884 151:1157 152:1809 153:569 154:4446 155:1400 156:1780 157:1309 158:1063 159:2308 160:2542 161:1536 162:3519 163:1569 164:1616 165:1734 166:993 167:1748 168:3869 169:943 170:4584 171:858 172:3551 173:2935 174:1069 175:1185 176:3693 177:4612 178:3589 179:2158 180:2619 181:3441 182:3339 183:1976 184:2366 185:20175 186:4782 187:3966 188:4087 189:3565 190:9152 191:1441 192:10951 193:8875 194:7329 195:5143 196:3092 197:2363 198:5932 199:6107 200:8050 201:5880 202:10581 203:10278 204:4592 205:3673 206:4344 207:3456 208:4076 209:4852 210:4355 211:2439 212:4135 213:3587 214:1088 215:59 216:6636 217:2684 218:1316 219:470 220:2015 221:972 222:788 223:2151 End of report