IPv4 R&E Routing Table Report 21:10 GMT Mon 03 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: 915580 Prefixes after maximum aggregation (per Origin AS): 347552 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447901 Number of IPv4 prefixes with a valid ROA: 382819 Number of IPv4 prefixes with an invalid ROA: 2505 Number of IPv4 prefixes with no ROA: 530256 Total ASes present in the Internet Routing Table: 74281 Prefixes per ASN: 12.33 Origin-only ASes present in the Internet Routing Table: 63820 Origin ASes announcing only one prefix: 26191 Transit ASes present in the Internet Routing Table: 10461 Transit-only ASes present in the Internet Routing Table: 451 Paths with bogon ASNs present in the IPv4 Routing Table: 61 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: 1173 Number of instances of unregistered ASNs: 1175 Number of 32-bit ASNs allocated by the RIRs: 41587 Number of 32-bit ASNs visible in the Routing Table: 34419 Prefixes from 32-bit ASNs in the Routing Table: 169387 Number of bogon 32-bit ASNs visible in the Routing Table: 53 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 498 Number of addresses announced to Internet: 3061622016 Equivalent to 182 /8s, 124 /16s and 165 /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: 306325 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240315 Total APNIC prefixes after maximum aggregation: 68680 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234914 Unique aggregates announced from the APNIC address blocks: 98121 APNIC Region origin ASes present in the Internet Routing Table: 13383 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3938 APNIC Region transit ASes present in the Internet Routing Table: 1806 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8689 Number of APNIC addresses announced to Internet: 773373184 Equivalent to 46 /8s, 24 /16s and 189 /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: 268532 Total ARIN prefixes after maximum aggregation: 122094 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270895 Unique aggregates announced from the ARIN address blocks: 130498 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.20 ARIN Region origin ASes announcing only one prefix: 6974 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: 4767 Number of ARIN addresses announced to Internet: 1285403904 Equivalent to 76 /8s, 157 /16s and 181 /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: 258699 Total RIPE prefixes after maximum aggregation: 121831 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254820 Unique aggregates announced from the RIPE address blocks: 157553 RIPE Region origin ASes present in the Internet Routing Table: 28283 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12029 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: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11112 Number of RIPE addresses announced to Internet: 718040320 Equivalent to 42 /8s, 204 /16s and 109 /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: 117593 Total LACNIC prefixes after maximum aggregation: 28410 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116988 Unique aggregates announced from the LACNIC address blocks: 49058 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2265 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: 8772 Number of LACNIC addresses announced to Internet: 176687104 Equivalent to 10 /8s, 136 /16s and 8 /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: 29268 Total AfriNIC prefixes after maximum aggregation: 5762 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 37464 Unique aggregates announced from the AfriNIC address blocks: 12271 AfriNIC Region origin ASes present in the Internet Routing Table: 1729 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 600 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: 1079 Number of AfriNIC addresses announced to Internet: 107759104 Equivalent to 6 /8s, 108 /16s and 70 /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 9527 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5750 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3563 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3543 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3369 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2903 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2746 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2363 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2308 11250 588 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 8237 10776 2893 AMAZON-02, US 11492 4537 300 622 CABLEONE, US 7155 3966 279 48 VIASAT-SP-BACKBONE, US 22773 3621 3078 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3149 1580 2333 AKAMAI-AS, US 749 3054 50541 2321 DNIC-AS-00749, US 396982 2626 3588 360 GOOGLE-CLOUD-PLATFORM, US 7018 2569 24117 1578 ATT-INTERNET4, US 30036 2486 359 539 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 7262 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4063 3399 166 AKAMAI-ASN1, NL 8551 3885 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2930 2292 911 ROSTELECOM-AS, RU 9009 2677 253 1398 M247, RO 34984 2267 359 609 TELLCOM-AS, TR 6849 2135 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 11206 3343 577 Uninet S.A. de C.V., MX 10620 3499 506 850 Telmex Colombia S.A., CO 13999 2296 367 616 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 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 449 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 1557 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1020 67 48 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 510 52 41 WANANCHI-, KE 24757 487 73 5 EthioNet-AS, ET 37342 457 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 11206 3343 577 Uninet S.A. de C.V., MX 9808 9527 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8237 10776 2893 AMAZON-02, US 12479 7262 1705 149 UNI2-AS, ES 7545 5750 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4537 300 622 CABLEONE, US 20940 4063 3399 166 AKAMAI-ASN1, NL 7155 3966 279 48 VIASAT-SP-BACKBONE, US 8551 3885 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 9527 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7262 7113 UNI2-AS, ES 16509 8237 5344 AMAZON-02, US 7545 5750 5060 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3966 3918 VIASAT-SP-BACKBONE, US 11492 4537 3915 CABLEONE, US 20940 4063 3897 AKAMAI-ASN1, NL 8551 3885 3848 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3563 3542 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 /15:2072 /16:13469 /17:8248 /18:13815 /19:25044 /20:43739 /21:51487 /22:109499 /23:97792 /24:548170 /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 6322 7262 UNI2-AS, ES 8151 5174 11206 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3445 4537 CABLEONE, US 8551 3357 3885 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3040 3966 VIASAT-SP-BACKBONE, US 22773 2680 3621 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2143 2486 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) ---------------------------------------------- 1:1671 2:1233 3:170 4:5 5:4482 6:122 7:6 8:1524 9:1 11:172 12:1575 13:394 14:2302 15:299 16:185 17:371 18:411 20:248 21:4 22:188 23:6171 24:2601 25:6 27:2576 29:19 31:2511 32:91 34:10 35:106 36:1914 37:4662 38:4423 39:804 40:151 41:3970 42:984 43:2338 44:309 45:16555 46:4224 47:374 49:1731 50:1830 51:571 52:1595 54:389 55:769 56:8 57:94 58:1761 59:1127 60:981 61:2442 62:2636 63:1928 64:5691 65:2315 66:4932 67:3045 68:1374 69:4143 70:1253 71:679 72:2972 74:2596 75:1463 76:610 77:2433 78:1850 79:3164 80:2097 81:1743 82:1485 83:1277 84:1538 85:2998 86:752 87:1982 88:1241 89:3626 90:617 91:7676 92:2037 93:2587 94:3602 95:4020 96:1327 97:336 98:1157 99:746 100:74 101:1070 102:2682 103:31331 104:4645 105:484 106:826 107:2565 108:1016 109:4402 110:2083 111:3204 112:2065 113:1514 114:1625 115:2084 116:1905 117:2571 118:2287 119:2005 120:1774 121:1078 122:2626 123:2174 124:1567 125:2530 128:1331 129:1062 130:1009 131:1990 132:842 133:421 134:1906 135:302 136:870 137:1085 138:2576 139:1531 140:1234 141:1451 142:1439 143:1500 144:1161 145:350 146:1937 147:1570 148:2327 149:1965 150:879 151:1153 152:1844 153:566 154:4297 155:1415 156:1730 157:1303 158:1047 159:2273 160:2541 161:1532 162:3549 163:1558 164:1604 165:1726 166:941 167:1732 168:3865 169:937 170:4585 171:866 172:3541 173:2931 174:1015 175:1171 176:3678 177:4602 178:3634 179:2145 180:2455 181:3433 182:3330 183:1938 184:2350 185:20179 186:4664 187:3931 188:4076 189:3566 190:9157 191:1442 192:10938 193:8837 194:7303 195:5137 196:3088 197:2342 198:5962 199:6103 200:7880 201:5877 202:10595 203:10253 204:4627 205:3557 206:4002 207:3448 208:4094 209:4885 210:4358 211:2445 212:4100 213:3554 214:1082 215:60 216:6628 217:2682 218:1311 219:474 220:2013 221:978 222:790 223:2152 End of report