IPv4 R&E Routing Table Report 21:10 GMT Sun 21 Aug, 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: 900569 Prefixes after maximum aggregation (per Origin AS): 340209 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 438779 Number of IPv4 prefixes with a valid ROA: 346488 Number of IPv4 prefixes with an invalid ROA: 3146 Number of IPv4 prefixes with no ROA: 550935 Total ASes present in the Internet Routing Table: 73546 Prefixes per ASN: 12.24 Origin-only ASes present in the Internet Routing Table: 63177 Origin ASes announcing only one prefix: 25970 Transit ASes present in the Internet Routing Table: 10369 Transit-only ASes present in the Internet Routing Table: 387 Paths with bogon ASNs present in the IPv4 Routing Table: 66 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 40 Max AS path prepend of ASN ( 30036) 33 Prefixes from unregistered ASNs in the Routing Table: 1001 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 40025 Number of 32-bit ASNs visible in the Routing Table: 33209 Prefixes from 32-bit ASNs in the Routing Table: 158914 Number of bogon 32-bit ASNs visible in the Routing Table: 172 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3070252800 Equivalent to 183 /8s, 0 /16s and 87 /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: 300582 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237456 Total APNIC prefixes after maximum aggregation: 67105 APNIC Deaggregation factor: 3.54 Prefixes being announced from the APNIC address blocks: 232527 Unique aggregates announced from the APNIC address blocks: 96352 APNIC Region origin ASes present in the Internet Routing Table: 12870 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 3722 APNIC Region transit ASes present in the Internet Routing Table: 1766 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8117 Number of APNIC addresses announced to Internet: 772637952 Equivalent to 46 /8s, 13 /16s and 133 /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: 264820 Total ARIN prefixes after maximum aggregation: 120856 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265036 Unique aggregates announced from the ARIN address blocks: 127609 ARIN Region origin ASes present in the Internet Routing Table: 19047 ARIN Prefixes per ASN: 13.91 ARIN Region origin ASes announcing only one prefix: 6913 ARIN Region transit ASes present in the Internet Routing Table: 1909 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4588 Number of ARIN addresses announced to Internet: 1295678464 Equivalent to 77 /8s, 58 /16s and 124 /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: 252733 Total RIPE prefixes after maximum aggregation: 118146 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 250006 Unique aggregates announced from the RIPE address blocks: 153354 RIPE Region origin ASes present in the Internet Routing Table: 28191 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12070 RIPE Region transit ASes present in the Internet Routing Table: 3955 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10790 Number of RIPE addresses announced to Internet: 717725696 Equivalent to 42 /8s, 199 /16s and 160 /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: 116296 Total LACNIC prefixes after maximum aggregation: 27812 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115978 Unique aggregates announced from the LACNIC address blocks: 48964 LACNIC Region origin ASes present in the Internet Routing Table: 10982 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2236 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8709 Number of LACNIC addresses announced to Internet: 176414720 Equivalent to 10 /8s, 131 /16s and 224 /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: 28263 Total AfriNIC prefixes after maximum aggregation: 5528 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36508 Unique aggregates announced from the AfriNIC address blocks: 12063 AfriNIC Region origin ASes present in the Internet Routing Table: 1675 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 587 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1005 Number of AfriNIC addresses announced to Internet: 107507712 Equivalent to 6 /8s, 104 /16s and 112 /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 9098 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5916 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4906 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3582 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2425 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2260 11124 598 KIXS-AS-KR Korea Telecom, KR 45090 2181 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2173 848 408 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6871 10402 2727 AMAZON-02, US 11492 4533 300 575 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3879 3070 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3470 1790 2502 AKAMAI-AS, US 6327 3448 1319 63 SHAW, CA 749 3035 50728 2293 DNIC-AS-00749, US 30036 2604 369 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2528 3387 363 GOOGLE-CLOUD-PLATFORM, US 209 2364 4935 402 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 6873 1730 144 UNI2-AS, ES 20940 4072 3361 205 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3998 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2913 2290 910 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2591 252 1322 M247, GB 34984 2251 358 634 TELLCOM-AS, TR 58224 1736 919 551 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 10846 3390 550 Uninet S.A. de C.V., MX 10620 3489 515 784 Telmex Colombia S.A., CO 11830 2338 369 64 Instituto Costarricense de Electricidad 13999 1960 319 525 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1272 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1127 369 21 Telefonica del Peru S.A.A., PE 11664 1051 177 460 Techtel LMDS Comunicaciones Interactiva 26615 976 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 1603 393 21 LINKdotNET-AS, EG 24835 1526 521 31 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 983 67 46 ORANGE-COTE-IVOIRE, CI 36935 809 520 41 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 519 52 40 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 401 232 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 10846 3390 550 Uninet S.A. de C.V., MX 9808 9098 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6873 1730 144 UNI2-AS, ES 16509 6871 10402 2727 AMAZON-02, US 7545 5916 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4906 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4533 300 575 CABLEONE, US 20940 4072 3361 205 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3998 374 39 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 9098 9051 CHINAMOBILE-CN China Mobile Communications Grou 12479 6873 6729 UNI2-AS, ES 7545 5916 5222 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4906 4832 ERX-CERNET-BKB China Education and Research Net 16509 6871 4144 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3998 3959 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4533 3958 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4072 3867 AKAMAI-ASN1, NL 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 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 18798 UNALLOCATED 8.40.106.0/24 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 23.139.184.0/24 Origin: 27408 1371467, CA 23.139.184.0/24 Transit: 24875 NOVOSERVE-AS, NL 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 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 /10:40 /11:101 /12:307 /13:596 /14:1204 /15:2098 /16:13547 /17:8345 /18:13959 /19:25105 /20:44476 /21:51648 /22:108661 /23:96734 /24:533718 /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 5858 6873 UNI2-AS, ES 8151 4580 10846 Uninet S.A. de C.V., MX 8551 3456 3998 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3448 4533 CABLEONE, US 6327 3260 3448 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2880 3879 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2260 2604 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1950 2:1028 3:157 4:5 5:3856 6:112 7:6 8:1562 9:1 11:173 12:1645 13:337 14:2354 15:242 16:46 17:379 18:192 20:243 21:4 22:188 23:5852 24:2422 25:6 27:2690 29:19 31:2417 32:92 34:7 35:88 36:1830 37:4472 38:3408 39:722 40:129 41:3948 42:1146 43:2216 44:292 45:16134 46:4148 47:331 49:1654 50:1958 51:239 52:1460 54:385 55:843 56:8 57:61 58:1837 59:1192 60:981 61:2264 62:2547 63:1923 64:5597 65:2359 66:4875 67:2986 68:1208 69:4150 70:1327 71:688 72:3027 74:2654 75:1404 76:590 77:2247 78:1933 79:3125 80:2027 81:1632 82:1494 83:1213 84:1380 85:2978 86:738 87:1907 88:1196 89:3403 90:547 91:7650 92:2046 93:2548 94:3516 95:3887 96:1301 97:351 98:1028 99:721 100:77 101:1061 102:2259 103:29821 104:4577 105:465 106:886 107:2547 108:881 109:4335 110:2015 111:3283 112:2041 113:1491 114:1498 115:2078 116:1850 117:2461 118:2318 119:1849 120:1744 121:1102 122:2510 123:2109 124:1526 125:2155 128:1264 129:1041 130:1010 131:2043 132:813 133:378 134:1938 135:299 136:855 137:1034 138:2514 139:1517 140:939 141:1447 142:1325 143:1394 144:1200 145:341 146:1860 147:1514 148:2246 149:1779 150:863 151:1077 152:1872 153:544 154:3692 155:1455 156:1733 157:1281 158:1038 159:2203 160:2532 161:1340 162:3506 163:1383 164:1655 165:1645 166:787 167:1784 168:3840 169:885 170:4499 171:835 172:3331 173:3129 174:1024 175:1148 176:3634 177:4724 178:3565 179:2193 180:2373 181:3252 182:3197 183:1939 184:2377 185:19655 186:4515 187:3839 188:3983 189:3412 190:9072 191:1444 192:10982 193:8695 194:7109 195:5083 196:3057 197:2434 198:6005 199:6047 200:7640 201:5781 202:10535 203:10194 204:4518 205:3438 206:3762 207:3439 208:4071 209:4719 210:4511 211:2416 212:4019 213:3472 214:1134 215:66 216:6408 217:2633 218:1313 219:574 220:2016 221:955 222:841 223:1972 End of report