IPv4 R&E Routing Table Report 21:10 GMT Fri 03 Feb, 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: 917602 Prefixes after maximum aggregation (per Origin AS): 347657 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 445456 Number of IPv4 prefixes with a valid ROA: 379852 Number of IPv4 prefixes with an invalid ROA: 2873 Number of IPv4 prefixes with no ROA: 534877 Total ASes present in the Internet Routing Table: 74074 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63648 Origin ASes announcing only one prefix: 26128 Transit ASes present in the Internet Routing Table: 10426 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 65 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: 983 Number of instances of unregistered ASNs: 996 Number of 32-bit ASNs allocated by the RIRs: 41182 Number of 32-bit ASNs visible in the Routing Table: 34100 Prefixes from 32-bit ASNs in the Routing Table: 166872 Number of bogon 32-bit ASNs visible in the Routing Table: 60 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3061863424 Equivalent to 182 /8s, 128 /16s and 84 /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: 311628 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238202 Total APNIC prefixes after maximum aggregation: 68432 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233270 Unique aggregates announced from the APNIC address blocks: 97832 APNIC Region origin ASes present in the Internet Routing Table: 13245 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3840 APNIC Region transit ASes present in the Internet Routing Table: 1782 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8529 Number of APNIC addresses announced to Internet: 773160192 Equivalent to 46 /8s, 21 /16s and 125 /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: 267091 Total ARIN prefixes after maximum aggregation: 121654 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269025 Unique aggregates announced from the ARIN address blocks: 129775 ARIN Region origin ASes present in the Internet Routing Table: 19070 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6993 ARIN Region transit ASes present in the Internet Routing Table: 1939 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4735 Number of ARIN addresses announced to Internet: 1285758720 Equivalent to 76 /8s, 163 /16s and 31 /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: 264542 Total RIPE prefixes after maximum aggregation: 122644 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 261056 Unique aggregates announced from the RIPE address blocks: 156283 RIPE Region origin ASes present in the Internet Routing Table: 28225 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12031 RIPE Region transit ASes present in the Internet Routing Table: 3914 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11001 Number of RIPE addresses announced to Internet: 718399488 Equivalent to 42 /8s, 209 /16s and 232 /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: 117750 Total LACNIC prefixes after maximum aggregation: 28439 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116941 Unique aggregates announced from the LACNIC address blocks: 49112 LACNIC Region origin ASes present in the Internet Routing Table: 10995 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2663 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: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8771 Number of LACNIC addresses announced to Internet: 176163328 Equivalent to 10 /8s, 128 /16s and 10 /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: 29034 Total AfriNIC prefixes after maximum aggregation: 5733 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36790 Unique aggregates announced from the AfriNIC address blocks: 12031 AfriNIC Region origin ASes present in the Internet Routing Table: 1715 AfriNIC Prefixes per ASN: 21.45 AfriNIC Region origin ASes announcing only one prefix: 601 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1064 Number of AfriNIC addresses announced to Internet: 108061952 Equivalent to 6 /8s, 112 /16s and 229 /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 9443 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5875 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3522 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3405 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3359 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2723 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2363 847 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11250 587 KIXS-AS-KR Korea Telecom, KR 4538 2259 4192 73 ERX-CERNET-BKB China Education and Rese 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 7873 10722 2916 AMAZON-02, US 11492 4532 300 602 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3669 3081 297 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3502 1320 63 SHAW, CA 16625 3323 1681 2425 AKAMAI-AS, US 749 3037 50571 2304 DNIC-AS-00749, US 7018 2593 24128 1575 ATT-INTERNET4, US 396982 2589 3496 365 GOOGLE-CLOUD-PLATFORM, US 30036 2566 367 356 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 6988 1706 146 UNI2-AS, ES 9121 6154 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4046 3399 172 AKAMAI-ASN1, NL 8551 3895 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 908 ROSTELECOM-AS, RU 9009 2702 256 1370 M247, RO 47331 2645 382 1989 TTNET, TR 34984 2259 359 608 TELLCOM-AS, TR 6849 2197 339 19 UKRTELNET, 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 11074 3346 589 Uninet S.A. de C.V., MX 10620 3479 508 859 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2238 371 602 Mega Cable, S.A. de C.V., MX 28573 1353 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 369 22 Telefonica del Peru S.A.A., PE 11664 1109 181 456 Techtel LMDS Comunicaciones Interactiva 26615 1018 2466 43 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 24835 1539 533 30 RAYA-AS, EG 24863 1501 393 21 LINKdotNET-AS, EG 36992 1347 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 996 67 53 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 508 52 41 WANANCHI-, KE 24757 491 73 5 EthioNet-AS, ET 37342 455 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 11074 3346 589 Uninet S.A. de C.V., MX 9808 9443 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7873 10722 2916 AMAZON-02, US 12479 6988 1706 146 UNI2-AS, ES 9121 6154 1692 17 TTNET, TR 7545 5875 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4532 300 602 CABLEONE, US 20940 4046 3399 172 AKAMAI-ASN1, NL 7155 3899 265 33 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 9443 9396 CHINAMOBILE-CN China Mobile Communications Grou 12479 6988 6842 UNI2-AS, ES 9121 6154 6137 TTNET, TR 7545 5875 5172 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7873 4957 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4532 3930 CABLEONE, US 20940 4046 3874 AKAMAI-ASN1, NL 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3895 3858 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 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 23.131.185.0/24 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 /11:101 /12:299 /13:580 /14:1201 /15:2076 /16:13487 /17:8292 /18:13868 /19:25010 /20:43658 /21:52004 /22:109925 /23:98268 /24:548764 /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 6051 6988 UNI2-AS, ES 9121 5311 6154 TTNET, TR 8151 5081 11074 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3447 4532 CABLEONE, US 8551 3367 3895 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3310 3502 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2710 3669 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2302 2645 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1627 2:1234 3:168 4:5 5:4248 6:114 7:5 8:1527 9:1 11:172 12:1588 13:376 14:2349 15:287 16:79 17:366 18:394 20:243 21:4 22:188 23:6068 24:2518 25:4 27:2709 29:19 31:2499 32:106 34:9 35:107 36:1891 37:4590 38:4087 39:836 40:154 41:3931 42:1062 43:2330 44:303 45:16435 46:4120 47:381 49:1733 50:1838 51:382 52:1551 54:395 55:856 56:8 57:83 58:1754 59:1173 60:996 61:2419 62:2625 63:1933 64:5677 65:2310 66:4920 67:3040 68:1349 69:4151 70:1253 71:667 72:2970 74:2595 75:1457 76:598 77:2399 78:3926 79:3173 80:2075 81:1848 82:1484 83:1243 84:1520 85:3757 86:750 87:1952 88:2867 89:3573 90:596 91:7655 92:2005 93:2592 94:3528 95:4875 96:1329 97:346 98:1159 99:741 100:76 101:1069 102:2573 103:30986 104:4580 105:484 106:847 107:2512 108:917 109:4385 110:2076 111:3286 112:2041 113:1498 114:1602 115:2076 116:1850 117:2550 118:2292 119:1905 120:1736 121:1086 122:2597 123:2177 124:1549 125:2331 128:1325 129:1050 130:986 131:1993 132:843 133:406 134:1913 135:297 136:867 137:1068 138:2572 139:1558 140:1187 141:1469 142:1426 143:1495 144:1197 145:351 146:1893 147:1559 148:2299 149:1890 150:875 151:1140 152:1948 153:559 154:3913 155:1400 156:1675 157:1295 158:1010 159:2271 160:2545 161:1429 162:3537 163:1498 164:1620 165:1673 166:838 167:1753 168:3874 169:918 170:4569 171:868 172:3513 173:2960 174:1023 175:1174 176:3693 177:4623 178:3556 179:2173 180:2417 181:3392 182:3239 183:1934 184:2340 185:20016 186:4670 187:3955 188:4074 189:3517 190:9114 191:1441 192:10956 193:8823 194:7247 195:5145 196:3006 197:2367 198:5951 199:6119 200:7752 201:5869 202:10542 203:10237 204:4599 205:3525 206:3873 207:3415 208:4083 209:4821 210:4363 211:2423 212:4110 213:3561 214:1101 215:56 216:6603 217:2647 218:1296 219:463 220:2027 221:972 222:739 223:2056 End of report