IPv4 R&E Routing Table Report 21:10 GMT Sat 23 Apr, 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: 896517 Prefixes after maximum aggregation (per Origin AS): 336073 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 430202 Number of IPv4 prefixes with a valid ROA: 322280 Number of IPv4 prefixes with an invalid ROA: 3266 Number of IPv4 prefixes with no ROA: 570971 Total ASes present in the Internet Routing Table: 73027 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 62724 Origin ASes announcing only one prefix: 25704 Transit ASes present in the Internet Routing Table: 10303 Transit-only ASes present in the Internet Routing Table: 365 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 65 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 878 Number of instances of unregistered ASNs: 886 Number of 32-bit ASNs allocated by the RIRs: 39186 Number of 32-bit ASNs visible in the Routing Table: 32536 Prefixes from 32-bit ASNs in the Routing Table: 153864 Number of bogon 32-bit ASNs visible in the Routing Table: 44 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 492 Number of addresses announced to Internet: 3066947840 Equivalent to 182 /8s, 205 /16s and 233 /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: 302287 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236312 Total APNIC prefixes after maximum aggregation: 66336 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 231217 Unique aggregates announced from the APNIC address blocks: 94555 APNIC Region origin ASes present in the Internet Routing Table: 12563 APNIC Prefixes per ASN: 18.40 APNIC Region origin ASes announcing only one prefix: 3553 APNIC Region transit ASes present in the Internet Routing Table: 1731 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: 7781 Number of APNIC addresses announced to Internet: 773782528 Equivalent to 46 /8s, 30 /16s and 252 /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: 261334 Total ARIN prefixes after maximum aggregation: 119871 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261324 Unique aggregates announced from the ARIN address blocks: 124497 ARIN Region origin ASes present in the Internet Routing Table: 19014 ARIN Prefixes per ASN: 13.74 ARIN Region origin ASes announcing only one prefix: 6902 ARIN Region transit ASes present in the Internet Routing Table: 1935 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 38 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4460 Number of ARIN addresses announced to Internet: 1295328512 Equivalent to 77 /8s, 53 /16s and 37 /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: 255466 Total RIPE prefixes after maximum aggregation: 116135 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 252853 Unique aggregates announced from the RIPE address blocks: 150623 RIPE Region origin ASes present in the Internet Routing Table: 28133 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3937 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10702 Number of RIPE addresses announced to Internet: 713802496 Equivalent to 42 /8s, 139 /16s and 195 /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: 114632 Total LACNIC prefixes after maximum aggregation: 27571 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114511 Unique aggregates announced from the LACNIC address blocks: 48343 LACNIC Region origin ASes present in the Internet Routing Table: 10939 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2198 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 65 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8636 Number of LACNIC addresses announced to Internet: 176308224 Equivalent to 10 /8s, 130 /16s and 64 /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: 27895 Total AfriNIC prefixes after maximum aggregation: 5480 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36119 Unique aggregates announced from the AfriNIC address blocks: 11756 AfriNIC Region origin ASes present in the Internet Routing Table: 1628 AfriNIC Prefixes per ASN: 22.19 AfriNIC Region origin ASes announcing only one prefix: 564 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: 957 Number of AfriNIC addresses announced to Internet: 107444224 Equivalent to 6 /8s, 103 /16s and 120 /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 9135 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5904 788 691 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4674 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3593 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3500 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3427 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2397 491 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2115 429 197 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 6252 10273 2709 AMAZON-02, US 11492 4474 297 690 CABLEONE, US 22773 3951 3099 373 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3900 264 31 VIASAT-SP-BACKBONE, US 16625 3619 1852 2554 AKAMAI-AS, US 6327 3430 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2618 374 124 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2520 4962 423 CENTURYLINK-US-LEGACY-QWEST, US 20115 2256 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 9121 6928 1692 17 TTNET, TR 12479 6790 1730 150 UNI2-AS, ES 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3934 3192 559 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2924 2273 907 ROSTELECOM-AS, RU 6849 2907 355 21 UKRTELNET, UA 9009 2474 247 1285 M247, GB 34984 2238 357 632 TELLCOM-AS, TR 58224 1803 931 602 TCI, IR 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 10591 3391 558 Uninet S.A. de C.V., MX 10620 3471 518 740 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1758 296 471 Mega Cable, S.A. de C.V., MX 6503 1454 355 525 Axtel, S.A.B. de C.V., MX 28573 1385 2333 253 CLARO S.A., BR 3816 1255 667 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 369 21 Telefonica del Peru S.A.A., PE 11664 1023 191 447 Techtel LMDS Comunicaciones Interactiva 11172 961 133 63 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 1473 523 33 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 907 65 59 ORANGE-COTE-IVOIRE, CI 36935 773 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 514 51 32 WANANCHI-, KE 37342 468 32 1 MOVITEL, MZ 23889 424 232 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 10591 3391 558 Uninet S.A. de C.V., MX 9808 9135 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6928 1692 17 TTNET, TR 12479 6790 1730 150 UNI2-AS, ES 16509 6252 10273 2709 AMAZON-02, US 7545 5904 788 691 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4674 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4474 297 690 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3951 3099 373 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 9135 9100 CHINAMOBILE-CN China Mobile Communications Grou 9121 6928 6911 TTNET, TR 12479 6790 6640 UNI2-AS, ES 7545 5904 5213 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4674 4599 ERX-CERNET-BKB China Education and Research Net 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3900 3869 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4474 3784 CABLEONE, US 22773 3951 3578 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 23.141.0.0/24 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /10:41 /11:100 /12:307 /13:592 /14:1206 /15:2094 /16:13540 /17:8275 /18:13935 /19:25234 /20:43885 /21:52223 /22:108510 /23:96067 /24:530478 /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 9121 6046 6928 TTNET, TR 12479 5772 6790 UNI2-AS, ES 8151 4248 10591 Uninet S.A. de C.V., MX 8551 3476 4010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3380 4474 CABLEONE, US 6327 3243 3430 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2990 3900 VIASAT-SP-BACKBONE, US 22773 2942 3951 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1929 2:1038 3:154 4:7 5:3781 6:103 7:5 8:1541 9:1 11:172 12:1709 13:300 14:2368 15:192 16:45 17:379 18:159 20:194 21:4 22:188 23:5645 24:2301 25:6 27:2650 29:19 31:2423 32:93 34:1 35:73 36:1750 37:4418 38:2811 39:700 40:153 41:3947 42:1094 43:2206 44:289 45:16019 46:4111 47:336 49:1675 50:1959 51:101 52:1418 54:363 55:716 56:8 57:59 58:1851 59:1185 60:964 61:2261 62:2496 63:1952 64:5520 65:2293 66:4860 67:2996 68:1194 69:4160 70:1338 71:664 72:3050 74:2667 75:1387 76:589 77:2176 78:3472 79:3114 80:1976 81:1702 82:1499 83:1209 84:1367 85:3519 86:706 87:1956 88:2399 89:3278 90:525 91:7632 92:2005 93:2592 94:3507 95:4536 96:1293 97:351 98:993 99:737 100:75 101:1058 102:2070 103:29037 104:4367 105:466 106:859 107:2518 108:840 109:4221 110:2062 111:3239 112:2029 113:1495 114:1498 115:2148 116:1875 117:2521 118:2336 119:1890 120:1658 121:1100 122:2556 123:2147 124:1539 125:2131 128:1247 129:1101 130:969 131:2062 132:801 133:373 134:1925 135:288 136:887 137:1005 138:2459 139:1510 140:867 141:1406 142:1297 143:1471 144:1211 145:344 146:1822 147:1498 148:2150 149:1731 150:865 151:1082 152:1855 153:535 154:3573 155:1425 156:1857 157:1225 158:1038 159:2125 160:2468 161:1322 162:3452 163:1261 164:1637 165:1618 166:707 167:1745 168:3810 169:839 170:4490 171:826 172:3149 173:3092 174:1023 175:1141 176:3527 177:4619 178:3512 179:2014 180:2335 181:2982 182:3196 183:1953 184:2391 185:19465 186:4377 187:3671 188:3856 189:3189 190:8958 191:1319 192:11010 193:8614 194:6992 195:4979 196:2987 197:2417 198:6028 199:6040 200:7487 201:5701 202:10479 203:10223 204:4557 205:3410 206:3775 207:3395 208:4067 209:4671 210:4312 211:2450 212:4036 213:3437 214:1158 215:67 216:6464 217:2660 218:1273 219:550 220:2029 221:983 222:847 223:2113 End of report