IPv4 R&E Routing Table Report 21:10 GMT Tue 13 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: 901403 Prefixes after maximum aggregation (per Origin AS): 340808 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 439416 Number of IPv4 prefixes with a valid ROA: 350355 Number of IPv4 prefixes with an invalid ROA: 3082 Number of IPv4 prefixes with no ROA: 547966 Total ASes present in the Internet Routing Table: 73653 Prefixes per ASN: 12.24 Origin-only ASes present in the Internet Routing Table: 63282 Origin ASes announcing only one prefix: 26000 Transit ASes present in the Internet Routing Table: 10371 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 58 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: 994 Number of instances of unregistered ASNs: 997 Number of 32-bit ASNs allocated by the RIRs: 40164 Number of 32-bit ASNs visible in the Routing Table: 33345 Prefixes from 32-bit ASNs in the Routing Table: 160281 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3068096256 Equivalent to 182 /8s, 223 /16s and 111 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 301061 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236887 Total APNIC prefixes after maximum aggregation: 67224 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 231859 Unique aggregates announced from the APNIC address blocks: 96272 APNIC Region origin ASes present in the Internet Routing Table: 12933 APNIC Prefixes per ASN: 17.93 APNIC Region origin ASes announcing only one prefix: 3726 APNIC Region transit ASes present in the Internet Routing Table: 1772 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: 8181 Number of APNIC addresses announced to Internet: 773004032 Equivalent to 46 /8s, 19 /16s and 27 /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: 265400 Total ARIN prefixes after maximum aggregation: 121042 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265957 Unique aggregates announced from the ARIN address blocks: 128149 ARIN Region origin ASes present in the Internet Routing Table: 19065 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 6941 ARIN Region transit ASes present in the Internet Routing Table: 1918 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: 4611 Number of ARIN addresses announced to Internet: 1293514752 Equivalent to 77 /8s, 25 /16s and 120 /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: 252812 Total RIPE prefixes after maximum aggregation: 118320 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 250157 Unique aggregates announced from the RIPE address blocks: 153659 RIPE Region origin ASes present in the Internet Routing Table: 28184 RIPE Prefixes per ASN: 8.88 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 3931 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: 10803 Number of RIPE addresses announced to Internet: 717039104 Equivalent to 42 /8s, 189 /16s and 38 /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: 116900 Total LACNIC prefixes after maximum aggregation: 27870 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 116494 Unique aggregates announced from the LACNIC address blocks: 48977 LACNIC Region origin ASes present in the Internet Routing Table: 10988 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2238 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: 8733 Number of LACNIC addresses announced to Internet: 176440320 Equivalent to 10 /8s, 132 /16s and 68 /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: 28410 Total AfriNIC prefixes after maximum aggregation: 5589 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36423 Unique aggregates announced from the AfriNIC address blocks: 11922 AfriNIC Region origin ASes present in the Internet Routing Table: 1687 AfriNIC Prefixes per ASN: 21.59 AfriNIC Region origin ASes announcing only one prefix: 594 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1017 Number of AfriNIC addresses announced to Internet: 107815424 Equivalent to 6 /8s, 109 /16s and 34 /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 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5931 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 3833 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3572 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3356 1870 59 VNPT-AS-VN VNPT Corp, VN 9498 2442 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2236 11123 596 KIXS-AS-KR Korea Telecom, KR 24560 2206 853 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 7135 10493 2818 AMAZON-02, US 11492 4577 303 535 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3866 3072 358 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3529 1826 2531 AKAMAI-AS, US 6327 3470 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2612 370 248 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2350 4935 396 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 6942 1730 144 UNI2-AS, ES 20940 4063 3361 203 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2913 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2590 250 1335 M247, GB 34984 2264 359 632 TELLCOM-AS, TR 58224 1799 936 536 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 10938 3395 553 Uninet S.A. de C.V., MX 10620 3500 515 786 Telmex Colombia S.A., CO 11830 2326 369 64 Instituto Costarricense de Electricidad 13999 1988 323 508 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 369 21 Telefonica del Peru S.A.A., PE 11664 1057 179 466 Techtel LMDS Comunicaciones Interactiva 26615 985 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 1527 393 21 LINKdotNET-AS, EG 24835 1504 521 31 RAYA-AS, EG 36992 1348 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 980 68 38 ORANGE-COTE-IVOIRE, CI 36935 809 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 520 52 40 WANANCHI-, KE 37342 477 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 10938 3395 553 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7135 10493 2818 AMAZON-02, US 12479 6942 1730 144 UNI2-AS, ES 7545 5931 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4577 303 535 CABLEONE, US 20940 4063 3361 203 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 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 9061 9014 CHINAMOBILE-CN China Mobile Communications Grou 12479 6942 6798 UNI2-AS, ES 7545 5931 5236 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7135 4317 AMAZON-02, US 11492 4577 4042 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3988 3950 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4063 3860 AKAMAI-ASN1, NL 4538 3833 3759 ERX-CERNET-BKB China Education and Research Net 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 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 18604 UNALLOCATED 8.25.204.0/24 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 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 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 577 BACOM, CA 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 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 /13:592 /14:1204 /15:2093 /16:13505 /17:8335 /18:13942 /19:25055 /20:44207 /21:51545 /22:108560 /23:96713 /24:535181 /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 5928 6942 UNI2-AS, ES 8151 4672 10938 Uninet S.A. de C.V., MX 11492 3494 4577 CABLEONE, US 8551 3452 3988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3281 3470 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2867 3866 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2269 2612 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1930 2:1022 3:162 4:5 5:3889 6:116 7:6 8:1576 9:1 11:173 12:1635 13:340 14:2358 15:258 16:52 17:361 18:297 20:244 21:4 22:188 23:5942 24:2451 25:6 27:2735 29:19 31:2418 32:91 34:7 35:88 36:1854 37:4489 38:3529 39:740 40:154 41:3916 42:1148 43:2233 44:292 45:16171 46:4169 47:308 49:1696 50:1935 51:240 52:1488 54:384 55:833 56:8 57:66 58:1821 59:1173 60:989 61:2300 62:2544 63:1915 64:5615 65:2303 66:4890 67:2993 68:1213 69:4139 70:1317 71:690 72:3026 74:2645 75:1438 76:590 77:2263 78:1883 79:3129 80:2062 81:1662 82:1497 83:1203 84:1384 85:2943 86:726 87:1900 88:1174 89:3426 90:565 91:7640 92:2059 93:2547 94:3534 95:3867 96:1308 97:351 98:1041 99:721 100:75 101:1068 102:2313 103:29981 104:4566 105:471 106:882 107:2542 108:891 109:4331 110:2011 111:3273 112:2041 113:1500 114:1511 115:2099 116:1888 117:2487 118:2323 119:1836 120:1704 121:1083 122:2532 123:2131 124:1499 125:2169 128:1247 129:1023 130:1010 131:2037 132:818 133:377 134:1947 135:296 136:866 137:1017 138:2537 139:1524 140:997 141:1454 142:1339 143:1434 144:1196 145:343 146:1866 147:1521 148:2238 149:1825 150:872 151:1092 152:1947 153:546 154:3740 155:1427 156:1693 157:1282 158:1045 159:2200 160:2534 161:1350 162:3501 163:1410 164:1673 165:1654 166:791 167:1771 168:3832 169:873 170:4533 171:842 172:3354 173:3118 174:1021 175:1151 176:3607 177:4760 178:3574 179:2168 180:2386 181:3296 182:3190 183:1935 184:2364 185:19726 186:4611 187:3906 188:4021 189:3438 190:9108 191:1472 192:10994 193:8694 194:7154 195:5085 196:2969 197:2454 198:5989 199:6031 200:7705 201:5796 202:10513 203:10226 204:4505 205:3478 206:3806 207:3444 208:4058 209:4722 210:4416 211:2344 212:4059 213:3489 214:1122 215:66 216:6393 217:2626 218:1312 219:547 220:2012 221:927 222:827 223:1972 End of report