IPv4 R&E Routing Table Report 21:10 GMT Tue 09 May, 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: 918482 Prefixes after maximum aggregation (per Origin AS): 348637 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448556 Number of IPv4 prefixes with a valid ROA: 396136 Number of IPv4 prefixes with an invalid ROA: 2701 Number of IPv4 prefixes with no ROA: 519645 Total ASes present in the Internet Routing Table: 74398 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63922 Origin ASes announcing only one prefix: 26213 Transit ASes present in the Internet Routing Table: 10476 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 67 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1101 Number of instances of unregistered ASNs: 1161 Number of 32-bit ASNs allocated by the RIRs: 41813 Number of 32-bit ASNs visible in the Routing Table: 34550 Prefixes from 32-bit ASNs in the Routing Table: 171321 Number of bogon 32-bit ASNs visible in the Routing Table: 159 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 613 Number of addresses announced to Internet: 3058464000 Equivalent to 182 /8s, 76 /16s and 117 /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: 306954 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241040 Total APNIC prefixes after maximum aggregation: 68837 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 235411 Unique aggregates announced from the APNIC address blocks: 97881 APNIC Region origin ASes present in the Internet Routing Table: 13405 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 3953 APNIC Region transit ASes present in the Internet Routing Table: 1805 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: 8725 Number of APNIC addresses announced to Internet: 773132800 Equivalent to 46 /8s, 21 /16s and 18 /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: 269507 Total ARIN prefixes after maximum aggregation: 122470 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272068 Unique aggregates announced from the ARIN address blocks: 130196 ARIN Region origin ASes present in the Internet Routing Table: 19095 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1932 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: 4787 Number of ARIN addresses announced to Internet: 1282966784 Equivalent to 76 /8s, 120 /16s and 133 /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: 259703 Total RIPE prefixes after maximum aggregation: 122324 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255745 Unique aggregates announced from the RIPE address blocks: 158352 RIPE Region origin ASes present in the Internet Routing Table: 28324 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 3909 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: 11167 Number of RIPE addresses announced to Internet: 718161920 Equivalent to 42 /8s, 206 /16s and 72 /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: 118052 Total LACNIC prefixes after maximum aggregation: 28415 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117349 Unique aggregates announced from the LACNIC address blocks: 49334 LACNIC Region origin ASes present in the Internet Routing Table: 10998 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2638 LACNIC Region transit ASes present in the Internet Routing Table: 2295 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: 8785 Number of LACNIC addresses announced to Internet: 176720384 Equivalent to 10 /8s, 136 /16s and 138 /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: 29079 Total AfriNIC prefixes after maximum aggregation: 5796 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 37295 Unique aggregates announced from the AfriNIC address blocks: 12281 AfriNIC Region origin ASes present in the Internet Routing Table: 1737 AfriNIC Prefixes per ASN: 21.47 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1086 Number of AfriNIC addresses announced to Internet: 107073024 Equivalent to 6 /8s, 97 /16s and 206 /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 9483 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5724 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4041 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3577 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3227 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2951 490 236 BBIL-AP BHARTI Airtel Ltd., IN 4538 2748 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2391 836 448 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 8271 10779 2940 AMAZON-02, US 11492 4534 300 609 CABLEONE, US 7155 4005 281 51 VIASAT-SP-BACKBONE, US 22773 3589 3072 282 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 749 3101 54980 2353 DNIC-AS-00749, US 16625 3094 1560 2341 AKAMAI-AS, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2494 359 477 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2488 24147 1562 ATT-INTERNET4, 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 7289 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4094 3399 166 AKAMAI-ASN1, NL 8551 3879 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2929 2292 909 ROSTELECOM-AS, RU 9009 2724 253 1404 M247, RO 34984 2277 360 610 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1853 950 531 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 11268 3332 592 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2344 359 615 Mega Cable, S.A. de C.V., MX 11830 2181 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 443 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 1589 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 520 54 47 WANANCHI-, KE 24757 491 73 5 EthioNet-AS, ET 37342 489 32 1 MOVITEL, MZ 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 11268 3332 592 Uninet S.A. de C.V., MX 9808 9483 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8271 10779 2940 AMAZON-02, US 12479 7289 1707 141 UNI2-AS, ES 7545 5724 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4534 300 609 CABLEONE, US 20940 4094 3399 166 AKAMAI-ASN1, NL 45899 4041 1872 41 VNPT-AS-VN VNPT Corp, VN 7155 4005 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 9483 9446 CHINAMOBILE-CN China Mobile Communications Grou 12479 7289 7148 UNI2-AS, ES 16509 8271 5331 AMAZON-02, US 7545 5724 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4041 4000 VNPT-AS-VN VNPT Corp, VN 7155 4005 3954 VIASAT-SP-BACKBONE, US 20940 4094 3928 AKAMAI-ASN1, NL 11492 4534 3925 CABLEONE, US 8551 3879 3842 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 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 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 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 /11:105 /12:301 /13:578 /14:1194 /15:2085 /16:13466 /17:8200 /18:14233 /19:25046 /20:43682 /21:51156 /22:109456 /23:97907 /24:551003 /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 6349 7289 UNI2-AS, ES 8151 5229 11268 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3442 4534 CABLEONE, US 8551 3351 3879 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3072 4005 VIASAT-SP-BACKBONE, US 22773 2654 3589 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 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) ---------------------------------------------- 1:1680 2:1305 3:175 4:5 5:4529 6:128 7:6 8:1529 9:1 11:172 12:1535 13:387 14:2331 15:300 16:188 17:373 18:419 20:258 21:4 22:188 23:6233 24:2602 25:6 27:2535 29:19 31:2498 32:74 34:11 35:108 36:1957 37:4695 38:4563 39:826 40:150 41:3881 42:1026 43:2345 44:308 45:16559 46:4299 47:362 49:1728 50:1835 51:573 52:1595 54:392 55:775 56:8 57:119 58:1771 59:1152 60:991 61:2485 62:2632 63:1918 64:5690 65:2310 66:5026 67:3030 68:1348 69:4075 70:1251 71:678 72:2989 74:2610 75:1487 76:611 77:2454 78:1816 79:3164 80:2124 81:1775 82:1497 83:1277 84:1515 85:2971 86:769 87:2034 88:1168 89:3693 90:609 91:7752 92:2067 93:2619 94:3621 95:4027 96:1312 97:336 98:1152 99:746 100:74 101:1071 102:2705 103:31403 104:4655 105:488 106:863 107:2524 108:1040 109:4410 110:2103 111:3087 112:2033 113:1550 114:1640 115:2056 116:1893 117:2542 118:2302 119:1966 120:1794 121:1095 122:2602 123:2187 124:1563 125:2491 128:1390 129:1092 130:1014 131:2013 132:859 133:422 134:1926 135:306 136:874 137:1094 138:2571 139:1564 140:1240 141:1452 142:1444 143:1501 144:1167 145:346 146:1952 147:1585 148:2356 149:2241 150:879 151:1160 152:1819 153:568 154:4285 155:1451 156:1789 157:1310 158:1057 159:2319 160:2543 161:1540 162:3499 163:1565 164:1623 165:1743 166:1051 167:1727 168:3871 169:934 170:4583 171:857 172:3556 173:2927 174:1067 175:1191 176:3704 177:4619 178:3597 179:2152 180:2614 181:3483 182:3343 183:1946 184:2351 185:20247 186:4751 187:3972 188:4095 189:3587 190:9155 191:1452 192:10932 193:8873 194:7304 195:5155 196:3087 197:2366 198:5950 199:6107 200:8053 201:5816 202:10618 203:10343 204:4576 205:3675 206:4324 207:3456 208:4088 209:4857 210:4358 211:2446 212:4131 213:3611 214:1089 215:59 216:6658 217:2686 218:1316 219:470 220:2010 221:978 222:785 223:2151 End of report