IPv4 R&E Routing Table Report 21:10 GMT Sat 15 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: 916182 Prefixes after maximum aggregation (per Origin AS): 347805 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 380679 Number of IPv4 prefixes with a valid ROA: 388950 Number of IPv4 prefixes with an invalid ROA: 3031 Number of IPv4 prefixes with no ROA: 524201 Total ASes present in the Internet Routing Table: 74304 Prefixes per ASN: 12.33 Origin-only ASes present in the Internet Routing Table: 63817 Origin ASes announcing only one prefix: 26164 Transit ASes present in the Internet Routing Table: 10487 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 59 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: 1409 Number of instances of unregistered ASNs: 1412 Number of 32-bit ASNs allocated by the RIRs: 41662 Number of 32-bit ASNs visible in the Routing Table: 34450 Prefixes from 32-bit ASNs in the Routing Table: 170185 Number of bogon 32-bit ASNs visible in the Routing Table: 44 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 936 Number of addresses announced to Internet: 3136615424 Equivalent to 186 /8s, 244 /16s and 244 /24s Percentage of available address space announced: 84.7 Percentage of allocated address space announced: 84.7 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: 306263 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239920 Total APNIC prefixes after maximum aggregation: 68574 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234251 Unique aggregates announced from the APNIC address blocks: 46869 APNIC Region origin ASes present in the Internet Routing Table: 13369 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3914 APNIC Region transit ASes present in the Internet Routing Table: 1813 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8679 Number of APNIC addresses announced to Internet: 473882112 Equivalent to 28 /8s, 62 /16s and 222 /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: 268615 Total ARIN prefixes after maximum aggregation: 122112 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271156 Unique aggregates announced from the ARIN address blocks: 120976 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1938 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: 4779 Number of ARIN addresses announced to Internet: 1705897216 Equivalent to 101 /8s, 173 /16s and 237 /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: 259258 Total RIPE prefixes after maximum aggregation: 122118 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255190 Unique aggregates announced from the RIPE address blocks: 153562 RIPE Region origin ASes present in the Internet Routing Table: 28303 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3913 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: 11134 Number of RIPE addresses announced to Internet: 700207616 Equivalent to 41 /8s, 188 /16s and 82 /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: 117674 Total LACNIC prefixes after maximum aggregation: 28370 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116965 Unique aggregates announced from the LACNIC address blocks: 49197 LACNIC Region origin ASes present in the Internet Routing Table: 10979 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2285 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: 8775 Number of LACNIC addresses announced to Internet: 176696320 Equivalent to 10 /8s, 136 /16s and 44 /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: 29306 Total AfriNIC prefixes after maximum aggregation: 5798 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37683 Unique aggregates announced from the AfriNIC address blocks: 9689 AfriNIC Region origin ASes present in the Internet Routing Table: 1734 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: 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: 1083 Number of AfriNIC addresses announced to Internet: 79359488 Equivalent to 4 /8s, 186 /16s and 238 /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 9474 8704 36 CHINAMOBILE-CN China Mobile Communicati 7545 5729 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3559 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3552 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3374 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2936 131303 142 BBIL-AP BHARTI Airtel Ltd., IN 4538 2746 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2375 836 442 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 8236 10778 2909 AMAZON-02, US 11492 4542 301 607 CABLEONE, US 7155 3968 279 48 VIASAT-SP-BACKBONE, US 22773 3604 3073 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3150 1580 2332 AKAMAI-AS, US 749 3055 50540 2322 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2564 24116 1561 ATT-INTERNET4, US 30036 2494 360 500 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 7236 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4068 3399 166 AKAMAI-ASN1, NL 8551 3891 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2926 2292 909 ROSTELECOM-AS, RU 9009 2668 250 1391 M247, RO 34984 2270 359 611 TELLCOM-AS, TR 6849 2017 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 11234 3343 579 Uninet S.A. de C.V., MX 10620 3500 507 851 Telmex Colombia S.A., CO 13999 2317 355 614 Mega Cable, S.A. de C.V., MX 11830 2262 369 64 Instituto Costarricense de Electricidad 28573 1332 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 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1104 181 444 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 1578 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1023 67 48 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 531 54 47 WANANCHI-, KE 24757 487 73 5 EthioNet-AS, ET 37342 439 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 11234 3343 579 Uninet S.A. de C.V., MX 9808 9474 8704 36 CHINAMOBILE-CN China Mobile Communicati 16509 8236 10778 2909 AMAZON-02, US 12479 7236 1705 149 UNI2-AS, ES 7545 5729 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4542 301 607 CABLEONE, US 20940 4068 3399 166 AKAMAI-ASN1, NL 7155 3968 279 48 VIASAT-SP-BACKBONE, US 8551 3891 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 9474 9438 CHINAMOBILE-CN China Mobile Communications Grou 12479 7236 7087 UNI2-AS, ES 16509 8236 5327 AMAZON-02, US 7545 5729 5040 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4542 3935 CABLEONE, US 7155 3968 3920 VIASAT-SP-BACKBONE, US 20940 4068 3902 AKAMAI-ASN1, NL 8551 3891 3854 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3552 3531 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., 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 3356 LEVEL3, US 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 100.127.0.0/16 27720 CITTA TELECOM LTDA, BR 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 /3:1 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:39 /11:103 /12:299 /13:578 /14:1196 /15:2068 /16:13474 /17:8227 /18:13795 /19:24992 /20:43692 /21:51254 /22:109460 /23:97736 /24:549238 /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 6296 7236 UNI2-AS, ES 8151 5200 11234 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3451 4542 CABLEONE, US 8551 3363 3891 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3040 3968 VIASAT-SP-BACKBONE, US 22773 2671 3604 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2054 3500 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 2:1240 3:173 4:5 5:4488 6:127 7:6 8:1526 9:1 11:172 12:1549 13:391 14:2303 15:299 16:183 17:371 18:413 20:256 21:4 22:188 23:6226 24:2606 25:6 27:2567 29:19 31:2521 32:86 34:10 35:106 36:1931 37:4648 38:4437 39:811 40:151 41:3949 42:984 43:2344 44:308 45:16548 46:4247 47:361 49:1730 50:1833 51:571 52:1588 54:390 55:857 56:8 57:116 58:1764 59:1136 60:975 61:2444 62:2639 63:1921 64:5693 65:2316 66:4957 67:3045 68:1373 69:4161 70:1252 71:680 72:2979 74:2616 75:1469 76:608 77:2431 78:1864 79:3172 80:2096 81:1748 82:1485 83:1279 84:1533 85:2994 86:759 87:1989 88:1243 89:3616 90:612 91:7702 92:2063 93:2620 94:3595 95:4017 96:1329 97:336 98:1157 99:745 100:73 101:1069 102:2696 103:31367 104:4654 105:484 106:824 107:2524 108:1025 109:4428 110:2078 111:3183 112:2056 113:1515 114:1634 115:2076 116:1911 117:2564 118:2278 119:2020 120:1769 121:1080 122:2614 123:2149 124:1566 125:2513 128:1327 129:1055 130:1018 131:1994 132:854 133:422 134:1905 135:304 136:880 137:1090 138:2577 139:1564 140:1234 141:1458 142:1436 143:1499 144:1151 145:347 146:1944 147:1570 148:2352 149:2082 150:879 151:1152 152:1846 153:567 154:4400 155:1417 156:1811 157:1312 158:1055 159:2289 160:2532 161:1526 162:3530 163:1565 164:1610 165:1730 166:1030 167:1744 168:3872 169:935 170:4613 171:871 172:3564 173:2937 174:1069 175:1171 176:3677 177:4557 178:3581 179:2147 180:2470 181:3400 182:3335 183:1931 184:2356 185:20186 186:4762 187:3959 188:4082 189:3545 190:9097 191:1426 192:10923 193:8868 194:7314 195:5141 196:3094 197:2327 198:5965 199:6116 200:7987 201:5854 202:10549 203:10255 204:4601 205:3548 206:4149 207:3457 208:4081 209:4861 210:4349 211:2426 212:4111 213:3589 214:1083 215:59 216:6644 217:2694 218:1312 219:470 220:2015 221:972 222:783 223:2154 End of report