IPv4 R&E Routing Table Report 21:10 GMT Thu 18 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: 900700 Prefixes after maximum aggregation (per Origin AS): 340262 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 438504 Number of IPv4 prefixes with a valid ROA: 346606 Number of IPv4 prefixes with an invalid ROA: 3184 Number of IPv4 prefixes with no ROA: 550910 Total ASes present in the Internet Routing Table: 73560 Prefixes per ASN: 12.24 Origin-only ASes present in the Internet Routing Table: 63179 Origin ASes announcing only one prefix: 25971 Transit ASes present in the Internet Routing Table: 10381 Transit-only ASes present in the Internet Routing Table: 384 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: 1013 Number of instances of unregistered ASNs: 1076 Number of 32-bit ASNs allocated by the RIRs: 40007 Number of 32-bit ASNs visible in the Routing Table: 33216 Prefixes from 32-bit ASNs in the Routing Table: 158765 Number of bogon 32-bit ASNs visible in the Routing Table: 176 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 515 Number of addresses announced to Internet: 3071875328 Equivalent to 183 /8s, 25 /16s and 25 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 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: 300395 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237819 Total APNIC prefixes after maximum aggregation: 67136 APNIC Deaggregation factor: 3.54 Prefixes being announced from the APNIC address blocks: 232919 Unique aggregates announced from the APNIC address blocks: 96325 APNIC Region origin ASes present in the Internet Routing Table: 12879 APNIC Prefixes per ASN: 18.09 APNIC Region origin ASes announcing only one prefix: 3723 APNIC Region transit ASes present in the Internet Routing Table: 1774 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: 8125 Number of APNIC addresses announced to Internet: 773910784 Equivalent to 46 /8s, 32 /16s and 241 /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: 264782 Total ARIN prefixes after maximum aggregation: 120874 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264968 Unique aggregates announced from the ARIN address blocks: 127556 ARIN Region origin ASes present in the Internet Routing Table: 19055 ARIN Prefixes per ASN: 13.91 ARIN Region origin ASes announcing only one prefix: 6922 ARIN Region transit ASes present in the Internet Routing Table: 1912 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: 4587 Number of ARIN addresses announced to Internet: 1295711232 Equivalent to 77 /8s, 58 /16s and 252 /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: 252700 Total RIPE prefixes after maximum aggregation: 118108 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249988 Unique aggregates announced from the RIPE address blocks: 153335 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: 3953 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: 10791 Number of RIPE addresses announced to Internet: 717764352 Equivalent to 42 /8s, 200 /16s and 55 /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: 116190 Total LACNIC prefixes after maximum aggregation: 27813 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115887 Unique aggregates announced from the LACNIC address blocks: 48951 LACNIC Region origin ASes present in the Internet Routing Table: 10981 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2243 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: 8710 Number of LACNIC addresses announced to Internet: 176433664 Equivalent to 10 /8s, 132 /16s and 42 /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: 28196 Total AfriNIC prefixes after maximum aggregation: 5564 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36422 Unique aggregates announced from the AfriNIC address blocks: 11899 AfriNIC Region origin ASes present in the Internet Routing Table: 1671 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 583 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: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1003 Number of AfriNIC addresses announced to Internet: 107762944 Equivalent to 6 /8s, 108 /16s and 85 /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 9095 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5916 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4907 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3587 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 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 2168 847 410 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 6842 10399 2707 AMAZON-02, US 11492 4532 300 577 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3887 3070 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3460 1785 2504 AKAMAI-AS, US 6327 3448 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2603 369 268 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2526 3387 362 GOOGLE-CLOUD-PLATFORM, US 209 2363 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 4056 3361 205 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 4000 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2913 2290 910 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2594 252 1324 M247, GB 34984 2249 358 632 TELLCOM-AS, TR 58224 1755 927 530 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 10848 3397 556 Uninet S.A. de C.V., MX 10620 3488 515 783 Telmex Colombia S.A., CO 11830 2336 369 64 Instituto Costarricense de Electricidad 13999 1944 317 526 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 1126 369 21 Telefonica del Peru S.A.A., PE 11664 1051 177 460 Techtel LMDS Comunicaciones Interactiva 26615 978 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 24835 1546 521 31 RAYA-AS, EG 24863 1532 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 982 66 48 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 518 52 39 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 10848 3397 556 Uninet S.A. de C.V., MX 9808 9095 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6873 1730 144 UNI2-AS, ES 16509 6842 10399 2707 AMAZON-02, US 7545 5916 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4907 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4532 300 577 CABLEONE, US 20940 4056 3361 205 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 4000 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 9095 9048 CHINAMOBILE-CN China Mobile Communications Grou 12479 6873 6729 UNI2-AS, ES 7545 5916 5221 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4907 4833 ERX-CERNET-BKB China Education and Research Net 16509 6842 4135 AMAZON-02, US 8551 4000 3961 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4006 3960 ALJAWWALSTC-AS, SA 11492 4532 3955 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4056 3851 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 /12:308 /13:596 /14:1204 /15:2099 /16:13554 /17:8348 /18:13975 /19:25137 /20:44509 /21:51682 /22:108624 /23:96765 /24:533728 /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 4571 10848 Uninet S.A. de C.V., MX 8551 3458 4000 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3445 4532 CABLEONE, US 6327 3260 3448 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2887 3887 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2259 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) ---------------------------------------------- 1:1951 2:1033 3:157 4:5 5:3849 6:113 7:6 8:1562 9:1 11:173 12:1644 13:337 14:2355 15:242 16:45 17:378 18:193 20:244 21:4 22:188 23:5840 24:2417 25:6 27:2689 29:19 31:2413 32:92 34:7 35:89 36:1832 37:4469 38:3412 39:721 40:152 41:3904 42:1128 43:2209 44:292 45:16103 46:4147 47:332 49:1709 50:1956 51:239 52:1459 54:385 55:792 56:8 57:62 58:1839 59:1192 60:981 61:2285 62:2548 63:1926 64:5599 65:2358 66:4873 67:2989 68:1208 69:4149 70:1327 71:687 72:3024 74:2655 75:1404 76:590 77:2249 78:1933 79:3126 80:2019 81:1647 82:1488 83:1219 84:1368 85:2972 86:743 87:1911 88:1194 89:3413 90:547 91:7651 92:2047 93:2550 94:3512 95:3873 96:1301 97:351 98:1030 99:720 100:77 101:1059 102:2250 103:29808 104:4568 105:470 106:886 107:2547 108:879 109:4334 110:2014 111:3282 112:2043 113:1503 114:1497 115:2099 116:1888 117:2457 118:2318 119:1882 120:1758 121:1107 122:2512 123:2110 124:1525 125:2156 128:1259 129:1044 130:1008 131:2051 132:811 133:378 134:1938 135:300 136:858 137:1019 138:2529 139:1517 140:939 141:1452 142:1323 143:1400 144:1203 145:340 146:1863 147:1513 148:2221 149:1781 150:865 151:1078 152:1873 153:543 154:3704 155:1459 156:1740 157:1281 158:1028 159:2214 160:2510 161:1337 162:3503 163:1389 164:1640 165:1645 166:786 167:1786 168:3839 169:885 170:4508 171:837 172:3327 173:3130 174:1024 175:1146 176:3654 177:4730 178:3553 179:2188 180:2393 181:3240 182:3198 183:1939 184:2377 185:19646 186:4509 187:3836 188:3983 189:3411 190:9093 191:1448 192:10995 193:8690 194:7110 195:5082 196:3057 197:2426 198:6006 199:6045 200:7602 201:5723 202:10575 203:10226 204:4517 205:3452 206:3762 207:3442 208:4062 209:4722 210:4511 211:2416 212:4017 213:3475 214:1136 215:66 216:6404 217:2627 218:1313 219:574 220:2016 221:955 222:840 223:1972 End of report