IPv4 R&E Routing Table Report 21:10 GMT Thu 19 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: 891385 Prefixes after maximum aggregation (per Origin AS): 336936 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 432327 Number of IPv4 prefixes with a valid ROA: 325177 Number of IPv4 prefixes with an invalid ROA: 2886 Number of IPv4 prefixes with no ROA: 563322 Total ASes present in the Internet Routing Table: 73153 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 62875 Origin ASes announcing only one prefix: 25768 Transit ASes present in the Internet Routing Table: 10278 Transit-only ASes present in the Internet Routing Table: 368 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 951 Number of instances of unregistered ASNs: 991 Number of 32-bit ASNs allocated by the RIRs: 39419 Number of 32-bit ASNs visible in the Routing Table: 32676 Prefixes from 32-bit ASNs in the Routing Table: 154552 Number of bogon 32-bit ASNs visible in the Routing Table: 117 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 562 Number of addresses announced to Internet: 3064656896 Equivalent to 182 /8s, 170 /16s and 244 /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: 297483 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236003 Total APNIC prefixes after maximum aggregation: 66498 APNIC Deaggregation factor: 3.55 Prefixes being announced from the APNIC address blocks: 231213 Unique aggregates announced from the APNIC address blocks: 94796 APNIC Region origin ASes present in the Internet Routing Table: 12638 APNIC Prefixes per ASN: 18.30 APNIC Region origin ASes announcing only one prefix: 3596 APNIC Region transit ASes present in the Internet Routing Table: 1743 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7849 Number of APNIC addresses announced to Internet: 773879296 Equivalent to 46 /8s, 32 /16s and 118 /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: 261884 Total ARIN prefixes after maximum aggregation: 120068 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261691 Unique aggregates announced from the ARIN address blocks: 125774 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 13.75 ARIN Region origin ASes announcing only one prefix: 6927 ARIN Region transit ASes present in the Internet Routing Table: 1922 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4501 Number of ARIN addresses announced to Internet: 1292393216 Equivalent to 77 /8s, 8 /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: 249850 Total RIPE prefixes after maximum aggregation: 116604 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 247273 Unique aggregates announced from the RIPE address blocks: 150985 RIPE Region origin ASes present in the Internet Routing Table: 28140 RIPE Prefixes per ASN: 8.79 RIPE Region origin ASes announcing only one prefix: 12025 RIPE Region transit ASes present in the Internet Routing Table: 3922 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10707 Number of RIPE addresses announced to Internet: 714080512 Equivalent to 42 /8s, 144 /16s and 1 /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: 114926 Total LACNIC prefixes after maximum aggregation: 27606 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114757 Unique aggregates announced from the LACNIC address blocks: 48553 LACNIC Region origin ASes present in the Internet Routing Table: 10948 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2191 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8660 Number of LACNIC addresses announced to Internet: 176259584 Equivalent to 10 /8s, 129 /16s and 130 /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: 27771 Total AfriNIC prefixes after maximum aggregation: 5463 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35888 Unique aggregates announced from the AfriNIC address blocks: 11759 AfriNIC Region origin ASes present in the Internet Routing Table: 1630 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 559 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 959 Number of AfriNIC addresses announced to Internet: 107734784 Equivalent to 6 /8s, 107 /16s and 231 /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 9155 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5892 789 689 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4674 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3591 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3429 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2407 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2120 438 204 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 6418 10353 2774 AMAZON-02, US 11492 4515 299 648 CABLEONE, US 22773 3947 3073 361 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3565 1811 2527 AKAMAI-AS, US 6327 3435 1318 61 SHAW, CA 749 2881 50795 2138 DNIC-AS-00749, US 30036 2633 374 127 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2459 4961 419 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 6801 1730 150 UNI2-AS, ES 8551 3994 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3959 3192 561 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2921 2273 907 ROSTELECOM-AS, RU 6849 2884 355 21 UKRTELNET, UA 9009 2488 249 1296 M247, GB 34984 2244 358 629 TELLCOM-AS, TR 58224 1814 931 607 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 10626 3396 560 Uninet S.A. de C.V., MX 10620 3466 518 750 Telmex Colombia S.A., CO 11830 2436 369 63 Instituto Costarricense de Electricidad 13999 1825 300 469 Mega Cable, S.A. de C.V., MX 6503 1454 355 528 Axtel, S.A.B. de C.V., MX 28573 1368 2333 255 CLARO S.A., BR 3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1025 192 444 Techtel LMDS Comunicaciones Interactiva 11172 957 133 61 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 1654 393 21 LINKdotNET-AS, EG 24835 1441 497 29 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 946 65 57 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 516 51 36 WANANCHI-, KE 37342 465 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 10626 3396 560 Uninet S.A. de C.V., MX 9808 9155 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6801 1730 150 UNI2-AS, ES 16509 6418 10353 2774 AMAZON-02, US 7545 5892 789 689 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4674 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4515 299 648 CABLEONE, US 8551 3994 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3959 3192 561 AKAMAI-ASN1, NL 22773 3947 3073 361 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 9155 9120 CHINAMOBILE-CN China Mobile Communications Grou 12479 6801 6651 UNI2-AS, ES 7545 5892 5203 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4674 4599 ERX-CERNET-BKB China Education and Research Net 8551 3994 3955 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4515 3867 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 16509 6418 3644 AMAZON-02, US 22773 3947 3586 ASN-CXA-ALL-CCI-22773-RDC, 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 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.131.8.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.8.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 23.131.88.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.88.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 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 /15:2094 /16:13542 /17:8306 /18:13919 /19:25181 /20:43959 /21:51607 /22:107873 /23:95433 /24:527197 /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 5777 6801 UNI2-AS, ES 8151 4344 10626 Uninet S.A. de C.V., MX 8551 3460 3994 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4515 CABLEONE, US 6327 3249 3435 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2939 3947 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2738 2884 UKRTELNET, UA 30036 2289 2633 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1922 2:1047 3:154 4:6 5:3790 6:104 7:5 8:1540 9:1 11:173 12:1710 13:297 14:2375 15:201 16:44 17:384 18:161 20:212 21:4 22:188 23:5683 24:2319 25:6 27:2657 29:19 31:2424 32:92 34:4 35:77 36:1757 37:4423 38:2880 39:696 40:153 41:3958 42:1098 43:2188 44:292 45:16062 46:4128 47:322 49:1682 50:2164 51:108 52:1427 54:369 55:747 56:8 57:60 58:1862 59:1198 60:957 61:2250 62:2523 63:1942 64:5534 65:2311 66:4862 67:2997 68:1196 69:4162 70:1331 71:689 72:3050 74:2645 75:1393 76:584 77:2164 78:1848 79:3115 80:1989 81:1600 82:1497 83:1206 84:1358 85:2922 86:707 87:1965 88:1114 89:3269 90:532 91:7638 92:2020 93:2586 94:3485 95:3853 96:1307 97:349 98:995 99:737 100:76 101:1058 102:2080 103:29121 104:4389 105:463 106:873 107:2519 108:834 109:4251 110:2028 111:3238 112:2028 113:1511 114:1496 115:2147 116:1892 117:2515 118:2334 119:1872 120:1664 121:1105 122:2560 123:2140 124:1536 125:2146 128:1248 129:1101 130:974 131:2064 132:807 133:378 134:1898 135:289 136:886 137:1005 138:2460 139:1515 140:864 141:1405 142:1287 143:1445 144:1196 145:344 146:1820 147:1492 148:2248 149:1729 150:854 151:1081 152:1851 153:532 154:3468 155:1422 156:1840 157:1231 158:1048 159:2175 160:2518 161:1278 162:3466 163:1280 164:1656 165:1619 166:724 167:1739 168:3782 169:845 170:4474 171:825 172:3179 173:3137 174:1024 175:1134 176:3587 177:4641 178:3546 179:2039 180:2345 181:3004 182:3207 183:1953 184:2374 185:19505 186:4323 187:3753 188:3873 189:3259 190:8962 191:1306 192:11010 193:8617 194:7015 195:4979 196:2964 197:2376 198:5998 199:6020 200:7500 201:5731 202:10494 203:10226 204:4548 205:3437 206:3770 207:3380 208:4020 209:4668 210:4368 211:2456 212:4033 213:3449 214:1152 215:66 216:6490 217:2666 218:1268 219:549 220:1952 221:982 222:845 223:2115 End of report