IPv4 R&E Routing Table Report 21:10 GMT Mon 10 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: 916371 Prefixes after maximum aggregation (per Origin AS): 347589 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 447890 Number of IPv4 prefixes with a valid ROA: 385306 Number of IPv4 prefixes with an invalid ROA: 2492 Number of IPv4 prefixes with no ROA: 528573 Total ASes present in the Internet Routing Table: 74284 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63819 Origin ASes announcing only one prefix: 26174 Transit ASes present in the Internet Routing Table: 10465 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 53 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: 1118 Number of instances of unregistered ASNs: 1120 Number of 32-bit ASNs allocated by the RIRs: 41638 Number of 32-bit ASNs visible in the Routing Table: 34431 Prefixes from 32-bit ASNs in the Routing Table: 170055 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 720 Number of addresses announced to Internet: 3061087744 Equivalent to 182 /8s, 116 /16s and 126 /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: 306385 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240461 Total APNIC prefixes after maximum aggregation: 68725 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234783 Unique aggregates announced from the APNIC address blocks: 97669 APNIC Region origin ASes present in the Internet Routing Table: 13372 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: 1801 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8678 Number of APNIC addresses announced to Internet: 773265920 Equivalent to 46 /8s, 23 /16s and 26 /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: 268877 Total ARIN prefixes after maximum aggregation: 121996 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271263 Unique aggregates announced from the ARIN address blocks: 130689 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6983 ARIN Region transit ASes present in the Internet Routing Table: 1931 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: 1285061632 Equivalent to 76 /8s, 152 /16s and 124 /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: 258873 Total RIPE prefixes after maximum aggregation: 121930 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254862 Unique aggregates announced from the RIPE address blocks: 157463 RIPE Region origin ASes present in the Internet Routing Table: 28279 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12019 RIPE Region transit ASes present in the Internet Routing Table: 3914 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: 717811456 Equivalent to 42 /8s, 200 /16s and 239 /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: 117706 Total LACNIC prefixes after maximum aggregation: 28377 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117027 Unique aggregates announced from the LACNIC address blocks: 49102 LACNIC Region origin ASes present in the Internet Routing Table: 10980 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2280 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: 8778 Number of LACNIC addresses announced to Internet: 176705024 Equivalent to 10 /8s, 136 /16s and 78 /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: 29336 Total AfriNIC prefixes after maximum aggregation: 5778 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 37715 Unique aggregates announced from the AfriNIC address blocks: 12349 AfriNIC Region origin ASes present in the Internet Routing Table: 1736 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 606 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: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1086 Number of AfriNIC addresses announced to Internet: 107780864 Equivalent to 6 /8s, 108 /16s and 155 /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 9530 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5744 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3559 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3557 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3376 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2924 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2746 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2367 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 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 8259 10781 2897 AMAZON-02, US 11492 4536 300 620 CABLEONE, US 7155 3968 279 48 VIASAT-SP-BACKBONE, US 22773 3609 3073 282 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3146 1579 2332 AKAMAI-AS, US 749 3054 50541 2321 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2570 24118 1567 ATT-INTERNET4, US 30036 2488 359 526 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 7250 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4061 3399 166 AKAMAI-ASN1, NL 8551 3886 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2929 2292 911 ROSTELECOM-AS, RU 9009 2658 250 1383 M247, RO 34984 2270 359 611 TELLCOM-AS, TR 6849 2076 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 11215 3343 578 Uninet S.A. de C.V., MX 10620 3499 506 850 Telmex Colombia S.A., CO 13999 2312 371 610 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1331 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 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1103 181 444 Techtel LMDS Comunicaciones Interactiva 26615 1028 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 1561 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1330 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1016 67 48 ORANGE-COTE-IVOIRE, CI 36935 872 520 42 Vodafone-, EG 6713 549 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 11215 3343 578 Uninet S.A. de C.V., MX 9808 9530 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8259 10781 2897 AMAZON-02, US 12479 7250 1705 149 UNI2-AS, ES 7545 5744 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4536 300 620 CABLEONE, US 20940 4061 3399 166 AKAMAI-ASN1, NL 7155 3968 279 48 VIASAT-SP-BACKBONE, US 8551 3886 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 9530 9482 CHINAMOBILE-CN China Mobile Communications Grou 12479 7250 7101 UNI2-AS, ES 16509 8259 5362 AMAZON-02, US 7545 5744 5055 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3968 3920 VIASAT-SP-BACKBONE, US 11492 4536 3916 CABLEONE, US 20940 4061 3895 AKAMAI-ASN1, NL 8551 3886 3849 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3557 3536 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 /15:2070 /16:13467 /17:8248 /18:13808 /19:25030 /20:43740 /21:51454 /22:109427 /23:97704 /24:549178 /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 7250 UNI2-AS, ES 8151 5181 11215 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3446 4536 CABLEONE, US 8551 3358 3886 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3040 3968 VIASAT-SP-BACKBONE, US 22773 2675 3609 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2145 2488 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) ---------------------------------------------- 1:1669 2:1234 3:173 4:5 5:4487 6:122 7:6 8:1524 9:1 11:172 12:1561 13:392 14:2307 15:299 16:185 17:370 18:416 20:248 21:4 22:188 23:6187 24:2599 25:6 27:2566 29:19 31:2524 32:94 34:10 35:106 36:1926 37:4636 38:4456 39:805 40:151 41:3958 42:984 43:2334 44:306 45:16542 46:4213 47:361 49:1730 50:1832 51:571 52:1595 54:388 55:848 56:8 57:94 58:1764 59:1127 60:980 61:2462 62:2632 63:1922 64:5707 65:2323 66:4946 67:3052 68:1376 69:4169 70:1253 71:675 72:2974 74:2613 75:1466 76:609 77:2433 78:1863 79:3163 80:2097 81:1739 82:1482 83:1280 84:1527 85:2992 86:755 87:1987 88:1242 89:3623 90:614 91:7686 92:2061 93:2610 94:3594 95:4014 96:1327 97:335 98:1157 99:746 100:74 101:1070 102:2702 103:31333 104:4647 105:483 106:823 107:2510 108:1022 109:4419 110:2086 111:3200 112:2069 113:1513 114:1634 115:2079 116:1909 117:2567 118:2288 119:2025 120:1776 121:1080 122:2626 123:2178 124:1564 125:2529 128:1326 129:1052 130:1005 131:1991 132:848 133:422 134:1904 135:305 136:873 137:1088 138:2566 139:1562 140:1236 141:1454 142:1433 143:1489 144:1169 145:347 146:1938 147:1573 148:2344 149:1998 150:878 151:1154 152:1843 153:567 154:4430 155:1428 156:1806 157:1306 158:1054 159:2288 160:2526 161:1541 162:3546 163:1552 164:1607 165:1736 166:1019 167:1739 168:3872 169:942 170:4619 171:865 172:3544 173:2929 174:1068 175:1170 176:3673 177:4564 178:3628 179:2137 180:2451 181:3430 182:3334 183:1918 184:2353 185:20176 186:4713 187:3939 188:4088 189:3542 190:9133 191:1448 192:10921 193:8862 194:7301 195:5142 196:3090 197:2382 198:5956 199:6105 200:8009 201:5877 202:10585 203:10259 204:4623 205:3546 206:4148 207:3459 208:4095 209:4886 210:4356 211:2443 212:4104 213:3574 214:1083 215:59 216:6641 217:2685 218:1311 219:470 220:2016 221:976 222:787 223:2153 End of report