IPv4 R&E Routing Table Report 21:10 GMT Fri 27 May, 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: 892691 Prefixes after maximum aggregation (per Origin AS): 337305 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 433174 Number of IPv4 prefixes with a valid ROA: 327300 Number of IPv4 prefixes with an invalid ROA: 3103 Number of IPv4 prefixes with no ROA: 562288 Total ASes present in the Internet Routing Table: 73211 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 62904 Origin ASes announcing only one prefix: 25782 Transit ASes present in the Internet Routing Table: 10307 Transit-only ASes present in the Internet Routing Table: 367 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 64 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 940 Number of instances of unregistered ASNs: 949 Number of 32-bit ASNs allocated by the RIRs: 39486 Number of 32-bit ASNs visible in the Routing Table: 32753 Prefixes from 32-bit ASNs in the Routing Table: 154703 Number of bogon 32-bit ASNs visible in the Routing Table: 48 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3065904640 Equivalent to 182 /8s, 189 /16s and 254 /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: 298016 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236115 Total APNIC prefixes after maximum aggregation: 66613 APNIC Deaggregation factor: 3.54 Prefixes being announced from the APNIC address blocks: 231359 Unique aggregates announced from the APNIC address blocks: 94974 APNIC Region origin ASes present in the Internet Routing Table: 12666 APNIC Prefixes per ASN: 18.27 APNIC Region origin ASes announcing only one prefix: 3622 APNIC Region transit ASes present in the Internet Routing Table: 1751 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7883 Number of APNIC addresses announced to Internet: 773732864 Equivalent to 46 /8s, 30 /16s and 58 /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: 262443 Total ARIN prefixes after maximum aggregation: 120358 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262179 Unique aggregates announced from the ARIN address blocks: 126000 ARIN Region origin ASes present in the Internet Routing Table: 19042 ARIN Prefixes per ASN: 13.77 ARIN Region origin ASes announcing only one prefix: 6920 ARIN Region transit ASes present in the Internet Routing Table: 1926 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4510 Number of ARIN addresses announced to Internet: 1293477120 Equivalent to 77 /8s, 24 /16s and 229 /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: 250337 Total RIPE prefixes after maximum aggregation: 116532 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247843 Unique aggregates announced from the RIPE address blocks: 151288 RIPE Region origin ASes present in the Internet Routing Table: 28140 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12015 RIPE Region transit ASes present in the Internet Routing Table: 3932 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10712 Number of RIPE addresses announced to Internet: 714235904 Equivalent to 42 /8s, 146 /16s and 96 /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: 114962 Total LACNIC prefixes after maximum aggregation: 27614 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114783 Unique aggregates announced from the LACNIC address blocks: 48677 LACNIC Region origin ASes present in the Internet Routing Table: 10969 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2200 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 64 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8680 Number of LACNIC addresses announced to Internet: 176473856 Equivalent to 10 /8s, 132 /16s and 199 /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: 27894 Total AfriNIC prefixes after maximum aggregation: 5498 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36016 Unique aggregates announced from the AfriNIC address blocks: 11814 AfriNIC Region origin ASes present in the Internet Routing Table: 1641 AfriNIC Prefixes per ASN: 21.95 AfriNIC Region origin ASes announcing only one prefix: 567 AfriNIC Region transit ASes present in the Internet Routing Table: 336 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: 968 Number of AfriNIC addresses announced to Internet: 107692288 Equivalent to 6 /8s, 107 /16s and 65 /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 9193 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 690 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4672 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3555 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3423 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2410 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 214 TATACOMM-AS TATA Communications formerl 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 6479 10359 2814 AMAZON-02, US 11492 4515 299 659 CABLEONE, US 22773 3955 3078 371 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3532 1818 2527 AKAMAI-AS, US 6327 3439 1319 64 SHAW, CA 749 2866 50792 2124 DNIC-AS-00749, US 30036 2624 373 159 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2445 4961 417 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3051 493 CHARTER-20115, 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 6814 1730 150 UNI2-AS, ES 8551 3998 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3977 3361 204 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2927 355 21 UKRTELNET, UA 12389 2921 2273 907 ROSTELECOM-AS, RU 9009 2473 246 1278 M247, GB 34984 2239 357 628 TELLCOM-AS, TR 58224 1815 931 599 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 10656 3404 554 Uninet S.A. de C.V., MX 10620 3480 518 736 Telmex Colombia S.A., CO 11830 2438 369 63 Instituto Costarricense de Electricidad 13999 1835 303 473 Mega Cable, S.A. de C.V., MX 6503 1450 355 528 Axtel, S.A.B. de C.V., MX 28573 1355 2333 255 CLARO S.A., BR 3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1027 192 442 Techtel LMDS Comunicaciones Interactiva 11172 957 117 60 Alestra, S. de R.L. de C.V., MX 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 1655 393 21 LINKdotNET-AS, EG 24835 1466 497 30 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 956 65 64 ORANGE-COTE-IVOIRE, CI 36935 675 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 517 51 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 423 232 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 10656 3404 554 Uninet S.A. de C.V., MX 9808 9193 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6814 1730 150 UNI2-AS, ES 16509 6479 10359 2814 AMAZON-02, US 7545 5922 789 690 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4672 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4515 299 659 CABLEONE, US 8551 3998 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3977 3361 204 AKAMAI-ASN1, NL 22773 3955 3078 371 ASN-CXA-ALL-CCI-22773-RDC, 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 9193 9158 CHINAMOBILE-CN China Mobile Communications Grou 12479 6814 6664 UNI2-AS, ES 7545 5922 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4672 4597 ERX-CERNET-BKB China Education and Research Net 8551 3998 3959 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4515 3856 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3977 3773 AKAMAI-ASN1, NL 16509 6479 3665 AMAZON-02, US 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 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 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 100.67.0.0/20 266452 ELETROINFO TELECOMUNICACOES LTDA - ME, BR 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, 198.19.226.0/24 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 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 23.185.16.0/24 Origin: 399244 BLOOM-HOST, US 23.185.16.0/24 Transit: 13335 CLOUDFLARENET, US 23.185.17.0/24 Origin: 399244 BLOOM-HOST, US 23.185.17.0/24 Transit: 13335 CLOUDFLARENET, 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 /9:13 /10:41 /11:100 /12:307 /13:590 /14:1206 /15:2095 /16:13553 /17:8316 /18:13911 /19:25165 /20:44134 /21:51640 /22:107975 /23:95587 /24:528041 /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 5787 6814 UNI2-AS, ES 8151 4376 10656 Uninet S.A. de C.V., MX 8551 3464 3998 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4515 CABLEONE, US 6327 3249 3439 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2944 3955 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2778 2927 UKRTELNET, UA 30036 2280 2624 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1912 2:1023 3:154 4:6 5:3796 6:103 7:5 8:1540 9:1 11:173 12:1704 13:295 14:2371 15:202 16:42 17:384 18:162 20:212 21:4 22:188 23:5656 24:2333 25:6 27:2657 29:19 31:2438 32:92 34:4 35:82 36:1770 37:4457 38:2900 39:705 40:152 41:3970 42:1116 43:2195 44:293 45:16121 46:4127 47:325 49:1670 50:2173 51:108 52:1434 54:371 55:701 56:8 57:59 58:1850 59:1184 60:963 61:2251 62:2535 63:1939 64:5550 65:2334 66:4862 67:3003 68:1194 69:4173 70:1335 71:691 72:3053 74:2652 75:1393 76:586 77:2170 78:1851 79:3116 80:1996 81:1610 82:1497 83:1211 84:1365 85:2933 86:711 87:1971 88:1123 89:3302 90:537 91:7628 92:2021 93:2600 94:3499 95:3896 96:1307 97:349 98:1000 99:737 100:77 101:1049 102:2104 103:29236 104:4426 105:457 106:876 107:2525 108:842 109:4267 110:2038 111:3259 112:2032 113:1504 114:1493 115:2150 116:1899 117:2512 118:2318 119:1877 120:1664 121:1104 122:2560 123:2135 124:1534 125:2146 128:1257 129:1085 130:981 131:2058 132:807 133:378 134:1908 135:290 136:885 137:1007 138:2451 139:1514 140:865 141:1419 142:1292 143:1429 144:1209 145:347 146:1822 147:1494 148:2252 149:1732 150:857 151:1079 152:1854 153:536 154:3457 155:1426 156:1841 157:1239 158:1046 159:2213 160:2532 161:1285 162:3465 163:1282 164:1665 165:1619 166:728 167:1744 168:3777 169:836 170:4481 171:828 172:3187 173:3126 174:1025 175:1128 176:3590 177:4636 178:3551 179:2053 180:2349 181:2998 182:3211 183:1953 184:2371 185:19534 186:4288 187:3767 188:3877 189:3267 190:8970 191:1305 192:11018 193:8627 194:7025 195:4977 196:2979 197:2374 198:5996 199:6048 200:7578 201:5730 202:10497 203:10239 204:4542 205:3437 206:3762 207:3386 208:4026 209:4672 210:4357 211:2458 212:4019 213:3434 214:1154 215:67 216:6485 217:2670 218:1285 219:549 220:1960 221:983 222:846 223:2122 End of report