IPv4 R&E Routing Table Report 21:10 GMT Fri 12 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: 919302 Prefixes after maximum aggregation (per Origin AS): 348862 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 448942 Number of IPv4 prefixes with a valid ROA: 397069 Number of IPv4 prefixes with an invalid ROA: 2676 Number of IPv4 prefixes with no ROA: 519557 Total ASes present in the Internet Routing Table: 74409 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63929 Origin ASes announcing only one prefix: 26203 Transit ASes present in the Internet Routing Table: 10480 Transit-only ASes present in the Internet Routing Table: 431 Paths with bogon ASNs present in the IPv4 Routing Table: 64 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: 1127 Number of instances of unregistered ASNs: 1185 Number of 32-bit ASNs allocated by the RIRs: 41846 Number of 32-bit ASNs visible in the Routing Table: 34570 Prefixes from 32-bit ASNs in the Routing Table: 171518 Number of bogon 32-bit ASNs visible in the Routing Table: 155 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 632 Number of addresses announced to Internet: 3056927744 Equivalent to 182 /8s, 53 /16s and 4 /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: 307420 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241198 Total APNIC prefixes after maximum aggregation: 68884 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 235373 Unique aggregates announced from the APNIC address blocks: 97978 APNIC Region origin ASes present in the Internet Routing Table: 13421 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3952 APNIC Region transit ASes present in the Internet Routing Table: 1800 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: 8738 Number of APNIC addresses announced to Internet: 773081344 Equivalent to 46 /8s, 20 /16s and 73 /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: 269778 Total ARIN prefixes after maximum aggregation: 122459 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272346 Unique aggregates announced from the ARIN address blocks: 130260 ARIN Region origin ASes present in the Internet Routing Table: 19093 ARIN Prefixes per ASN: 14.26 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1934 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: 4788 Number of ARIN addresses announced to Internet: 1280836096 Equivalent to 76 /8s, 88 /16s and 2 /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: 259883 Total RIPE prefixes after maximum aggregation: 122442 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255963 Unique aggregates announced from the RIPE address blocks: 158504 RIPE Region origin ASes present in the Internet Routing Table: 28326 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12045 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: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11173 Number of RIPE addresses announced to Internet: 718200576 Equivalent to 42 /8s, 206 /16s and 223 /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: 118160 Total LACNIC prefixes after maximum aggregation: 28451 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117449 Unique aggregates announced from the LACNIC address blocks: 49361 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2628 LACNIC Region transit ASes present in the Internet Routing Table: 2291 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: 8784 Number of LACNIC addresses announced to Internet: 176729600 Equivalent to 10 /8s, 136 /16s and 174 /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: 29156 Total AfriNIC prefixes after maximum aggregation: 5813 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 37538 Unique aggregates announced from the AfriNIC address blocks: 12311 AfriNIC Region origin ASes present in the Internet Routing Table: 1737 AfriNIC Prefixes per ASN: 21.61 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1087 Number of AfriNIC addresses announced to Internet: 107667456 Equivalent to 6 /8s, 106 /16s and 224 /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 5721 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4040 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3577 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3228 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2958 491 239 BBIL-AP BHARTI Airtel Ltd., IN 4538 2729 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2394 836 446 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 8301 10781 2932 AMAZON-02, US 11492 4535 300 609 CABLEONE, US 7155 4002 281 51 VIASAT-SP-BACKBONE, US 22773 3589 3073 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3099 1565 2347 AKAMAI-AS, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2496 359 466 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2494 24147 1568 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 7299 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4090 3399 166 AKAMAI-ASN1, NL 8551 3882 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2924 2292 910 ROSTELECOM-AS, RU 9009 2727 253 1405 M247, RO 34984 2277 360 610 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1851 950 535 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 11276 3330 596 Uninet S.A. de C.V., MX 10620 3518 508 854 Telmex Colombia S.A., CO 13999 2341 360 629 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 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 1100 180 445 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 1604 393 19 LINKdotNET-AS, EG 24835 1499 533 30 RAYA-AS, EG 36992 1339 1518 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 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 37342 489 32 1 MOVITEL, MZ 24757 481 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 11276 3330 596 Uninet S.A. de C.V., MX 9808 9483 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8301 10781 2932 AMAZON-02, US 12479 7299 1707 141 UNI2-AS, ES 7545 5721 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4535 300 609 CABLEONE, US 20940 4090 3399 166 AKAMAI-ASN1, NL 45899 4040 1872 41 VNPT-AS-VN VNPT Corp, VN 7155 4002 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 7299 7158 UNI2-AS, ES 16509 8301 5369 AMAZON-02, US 7545 5721 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4040 3999 VNPT-AS-VN VNPT Corp, VN 7155 4002 3951 VIASAT-SP-BACKBONE, US 11492 4535 3926 CABLEONE, US 20940 4090 3924 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 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 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 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 23.153.24.0/24 Origin: 394144 LTYCONNECT, US 23.153.24.0/24 Transit: 6939 HURRICANE, 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 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 /11:104 /12:301 /13:579 /14:1196 /15:2086 /16:13464 /17:8197 /18:14241 /19:25040 /20:43707 /21:51212 /22:109441 /23:98031 /24:551633 /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 6363 7299 UNI2-AS, ES 8151 5238 11276 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3443 4535 CABLEONE, US 8551 3354 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3069 4002 VIASAT-SP-BACKBONE, US 22773 2653 3589 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2496 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2071 3518 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) ---------------------------------------------- 1:1682 2:1308 3:174 4:5 5:4544 6:128 7:6 8:1532 9:1 11:172 12:1537 13:385 14:2329 15:300 16:189 17:372 18:421 20:258 21:4 22:188 23:6239 24:2604 25:6 27:2535 29:19 31:2499 32:76 34:12 35:108 36:1959 37:4695 38:4575 39:836 40:151 41:3904 42:1030 43:2347 44:307 45:16568 46:4303 47:362 49:1729 50:1840 51:567 52:1600 54:394 55:773 56:8 57:118 58:1777 59:1153 60:990 61:2486 62:2642 63:1920 64:5693 65:2317 66:5037 67:3031 68:1347 69:4101 70:1250 71:676 72:2993 74:2615 75:1555 76:612 77:2455 78:1814 79:3172 80:2126 81:1776 82:1500 83:1284 84:1528 85:2977 86:768 87:2031 88:1168 89:3696 90:615 91:7740 92:2065 93:2619 94:3612 95:4034 96:1310 97:336 98:1151 99:744 100:74 101:1071 102:2706 103:31437 104:4665 105:487 106:866 107:2526 108:1043 109:4424 110:2105 111:3091 112:2032 113:1547 114:1645 115:2035 116:1886 117:2535 118:2301 119:2012 120:1797 121:1095 122:2606 123:2168 124:1560 125:2494 128:1416 129:1083 130:1027 131:2019 132:855 133:422 134:1926 135:304 136:869 137:1096 138:2568 139:1563 140:1247 141:1450 142:1443 143:1511 144:1169 145:347 146:1960 147:1581 148:2374 149:2240 150:880 151:1159 152:1820 153:565 154:4453 155:1451 156:1792 157:1309 158:1073 159:2308 160:2545 161:1539 162:3506 163:1568 164:1621 165:1745 166:1052 167:1732 168:3876 169:934 170:4574 171:857 172:3554 173:2930 174:1074 175:1186 176:3705 177:4609 178:3600 179:2163 180:2611 181:3483 182:3315 183:1945 184:2345 185:20224 186:4704 187:3982 188:4099 189:3576 190:9126 191:1445 192:10931 193:8892 194:7310 195:5157 196:3094 197:2367 198:5969 199:6104 200:8036 201:5910 202:10589 203:10343 204:4584 205:3687 206:4312 207:3452 208:4101 209:4868 210:4367 211:2449 212:4166 213:3623 214:1090 215:59 216:6646 217:2697 218:1316 219:470 220:2002 221:978 222:784 223:2152 End of report