IPv4 R&E Routing Table Report 21:10 GMT Tue 27 Sep, 2022 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: 901415 Prefixes after maximum aggregation (per Origin AS): 341822 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 439768 Number of IPv4 prefixes with a valid ROA: 352709 Number of IPv4 prefixes with an invalid ROA: 3210 Number of IPv4 prefixes with no ROA: 545496 Total ASes present in the Internet Routing Table: 73691 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63336 Origin ASes announcing only one prefix: 26015 Transit ASes present in the Internet Routing Table: 10355 Transit-only ASes present in the Internet Routing Table: 407 Paths with bogon ASNs present in the IPv4 Routing Table: 69 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1106 Number of instances of unregistered ASNs: 1111 Number of 32-bit ASNs allocated by the RIRs: 40262 Number of 32-bit ASNs visible in the Routing Table: 33405 Prefixes from 32-bit ASNs in the Routing Table: 160722 Number of bogon 32-bit ASNs visible in the Routing Table: 42 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 541 Number of addresses announced to Internet: 3066004224 Equivalent to 182 /8s, 191 /16s and 131 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 301201 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236534 Total APNIC prefixes after maximum aggregation: 67359 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 231500 Unique aggregates announced from the APNIC address blocks: 96302 APNIC Region origin ASes present in the Internet Routing Table: 12958 APNIC Prefixes per ASN: 17.87 APNIC Region origin ASes announcing only one prefix: 3728 APNIC Region transit ASes present in the Internet Routing Table: 1763 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: 8210 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: 265536 Total ARIN prefixes after maximum aggregation: 121518 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 266326 Unique aggregates announced from the ARIN address blocks: 128300 ARIN Region origin ASes present in the Internet Routing Table: 19047 ARIN Prefixes per ASN: 13.98 ARIN Region origin ASes announcing only one prefix: 6949 ARIN Region transit ASes present in the Internet Routing Table: 1923 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4610 Number of ARIN addresses announced to Internet: 1291541248 Equivalent to 76 /8s, 251 /16s and 91 /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: 253170 Total RIPE prefixes after maximum aggregation: 118609 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250320 Unique aggregates announced from the RIPE address blocks: 153801 RIPE Region origin ASes present in the Internet Routing Table: 28201 RIPE Prefixes per ASN: 8.88 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 3925 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10829 Number of RIPE addresses announced to Internet: 716761344 Equivalent to 42 /8s, 184 /16s and 233 /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: 116471 Total LACNIC prefixes after maximum aggregation: 27929 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116104 Unique aggregates announced from the LACNIC address blocks: 48969 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2706 LACNIC Region transit ASes present in the Internet Routing Table: 2229 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8735 Number of LACNIC addresses announced to Internet: 176168448 Equivalent to 10 /8s, 128 /16s and 30 /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: 28598 Total AfriNIC prefixes after maximum aggregation: 5585 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36623 Unique aggregates announced from the AfriNIC address blocks: 11960 AfriNIC Region origin ASes present in the Internet Routing Table: 1690 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1021 Number of AfriNIC addresses announced to Internet: 107869696 Equivalent to 6 /8s, 109 /16s and 246 /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 9064 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5903 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3372 1870 59 VNPT-AS-VN VNPT Corp, VN 4538 2909 4192 74 ERX-CERNET-BKB China Education and Rese 9498 2446 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2231 851 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2230 11251 598 KIXS-AS-KR Korea Telecom, KR 45090 2180 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 7269 10548 2847 AMAZON-02, US 11492 4564 302 592 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3841 3067 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3531 1841 2536 AKAMAI-AS, US 6327 3488 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2603 368 272 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2542 3388 378 GOOGLE-CLOUD-PLATFORM, US 209 2347 4935 394 CENTURYLINK-US-LEGACY-QWEST, 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 6908 1730 144 UNI2-AS, ES 20940 4078 3360 201 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2917 2290 912 ROSTELECOM-AS, RU 9009 2608 252 1342 M247, GB 6849 2554 339 20 UKRTELNET, UA 34984 2258 358 634 TELLCOM-AS, TR 58224 1796 936 540 TCI, IR 13188 1610 100 27 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 10991 3392 558 Uninet S.A. de C.V., MX 10620 3484 513 829 Telmex Colombia S.A., CO 11830 2310 369 65 Instituto Costarricense de Electricidad 13999 2009 328 515 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1140 369 21 Telefonica del Peru S.A.A., PE 11664 1056 178 465 Techtel LMDS Comunicaciones Interactiva 26615 987 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 24863 1570 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 996 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 522 53 42 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 23889 402 232 16 MauritiusTelecom, MU 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 10991 3392 558 Uninet S.A. de C.V., MX 9808 9064 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7269 10548 2847 AMAZON-02, US 12479 6908 1730 144 UNI2-AS, ES 7545 5903 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4564 302 592 CABLEONE, US 20940 4078 3360 201 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 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 9064 9017 CHINAMOBILE-CN China Mobile Communications Grou 12479 6908 6764 UNI2-AS, ES 7545 5903 5208 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7269 4422 AMAZON-02, US 11492 4564 3972 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3991 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4078 3877 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 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 25674 UNALLOCATED 8.12.76.0/24 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 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /12:301 /13:589 /14:1193 /15:2091 /16:13497 /17:8335 /18:13919 /19:25067 /20:44038 /21:51498 /22:108670 /23:96424 /24:535623 /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 5912 6908 UNI2-AS, ES 8151 4734 10991 Uninet S.A. de C.V., MX 11492 3484 4564 CABLEONE, US 8551 3455 3991 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3297 3488 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2859 3841 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2411 2554 UKRTELNET, UA 30036 2261 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1896 2:1023 3:163 4:5 5:3909 6:116 7:6 8:1558 9:1 11:173 12:1627 13:340 14:2363 15:265 16:68 17:361 18:324 20:237 21:4 22:188 23:5965 24:2460 25:6 27:2737 29:19 31:2438 32:91 34:7 35:89 36:1856 37:4490 38:3575 39:751 40:152 41:3922 42:1179 43:2246 44:295 45:16166 46:4168 47:340 48:1 49:1726 50:1930 51:242 52:1495 54:388 55:936 56:8 57:79 58:1819 59:1171 60:990 61:2349 62:2549 63:1916 64:5623 65:2310 66:4886 67:2985 68:1204 69:4174 70:1323 71:687 72:2991 74:2653 75:1485 76:596 77:2284 78:1878 79:3139 80:2055 81:1644 82:1511 83:1212 84:1415 85:2958 86:729 87:1915 88:1178 89:3402 90:552 91:7591 92:2057 93:2547 94:3529 95:3832 96:1327 97:346 98:1044 99:736 100:75 101:1066 102:2311 103:30184 104:4573 105:472 106:887 107:2535 108:899 109:4318 110:1996 111:3265 112:2043 113:1504 114:1524 115:2093 116:1858 117:2492 118:2329 119:1853 120:1704 121:1089 122:2547 123:2137 124:1504 125:2153 128:1243 129:1007 130:974 131:2035 132:818 133:378 134:1902 135:290 136:807 137:1026 138:2534 139:1520 140:1017 141:1460 142:1349 143:1402 144:1194 145:345 146:1867 147:1529 148:2246 149:1809 150:874 151:1106 152:1937 153:547 154:3795 155:1429 156:1701 157:1293 158:1043 159:2200 160:2533 161:1364 162:3500 163:1413 164:1684 165:1652 166:790 167:1746 168:3816 169:876 170:4528 171:846 172:3372 173:3112 174:1022 175:1160 176:3624 177:4728 178:3568 179:2161 180:2385 181:3264 182:3195 183:1932 184:2362 185:19758 186:4542 187:3910 188:4001 189:3471 190:9070 191:1425 192:10996 193:8709 194:7150 195:5065 196:2972 197:2459 198:5980 199:6035 200:7664 201:5795 202:10504 203:10225 204:4523 205:3485 206:3889 207:3422 208:4051 209:4742 210:4361 211:2378 212:4054 213:3559 214:1116 215:55 216:6425 217:2635 218:1309 219:483 220:2035 221:927 222:774 223:1972 End of report