IPv4 R&E Routing Table Report 21:10 GMT Tue 08 Mar, 2022 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: 894665 Prefixes after maximum aggregation (per Origin AS): 335604 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 428226 Number of IPv4 prefixes with a valid ROA: 315031 Number of IPv4 prefixes with an invalid ROA: 2756 Number of IPv4 prefixes with no ROA: 576878 Total ASes present in the Internet Routing Table: 72803 Prefixes per ASN: 12.29 Origin-only ASes present in the Internet Routing Table: 62527 Origin ASes announcing only one prefix: 25653 Transit ASes present in the Internet Routing Table: 10276 Transit-only ASes present in the Internet Routing Table: 381 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 251 Max AS path prepend of ASN ( 21299) 245 Prefixes from unregistered ASNs in the Routing Table: 932 Number of instances of unregistered ASNs: 938 Number of 32-bit ASNs allocated by the RIRs: 38743 Number of 32-bit ASNs visible in the Routing Table: 32247 Prefixes from 32-bit ASNs in the Routing Table: 151619 Number of bogon 32-bit ASNs visible in the Routing Table: 47 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 518 Number of addresses announced to Internet: 3067420928 Equivalent to 182 /8s, 213 /16s and 33 /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: 99.5 Total number of prefixes smaller than registry allocations: 302471 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235539 Total APNIC prefixes after maximum aggregation: 65913 APNIC Deaggregation factor: 3.57 Prefixes being announced from the APNIC address blocks: 230392 Unique aggregates announced from the APNIC address blocks: 94401 APNIC Region origin ASes present in the Internet Routing Table: 12446 APNIC Prefixes per ASN: 18.51 APNIC Region origin ASes announcing only one prefix: 3528 APNIC Region transit ASes present in the Internet Routing Table: 1714 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7663 Number of APNIC addresses announced to Internet: 773651200 Equivalent to 46 /8s, 28 /16s and 251 /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: 259964 Total ARIN prefixes after maximum aggregation: 119330 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260022 Unique aggregates announced from the ARIN address blocks: 123667 ARIN Region origin ASes present in the Internet Routing Table: 18987 ARIN Prefixes per ASN: 13.69 ARIN Region origin ASes announcing only one prefix: 6903 ARIN Region transit ASes present in the Internet Routing Table: 1938 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 251 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4383 Number of ARIN addresses announced to Internet: 1295550464 Equivalent to 77 /8s, 56 /16s and 136 /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: 256044 Total RIPE prefixes after maximum aggregation: 116901 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 253261 Unique aggregates announced from the RIPE address blocks: 149709 RIPE Region origin ASes present in the Internet Routing Table: 28083 RIPE Prefixes per ASN: 9.02 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: 4.4 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10643 Number of RIPE addresses announced to Internet: 713775104 Equivalent to 42 /8s, 139 /16s and 88 /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: 114438 Total LACNIC prefixes after maximum aggregation: 27376 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114447 Unique aggregates announced from the LACNIC address blocks: 48179 LACNIC Region origin ASes present in the Internet Routing Table: 10927 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2635 LACNIC Region transit ASes present in the Internet Routing Table: 2203 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8625 Number of LACNIC addresses announced to Internet: 176193792 Equivalent to 10 /8s, 128 /16s and 129 /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: 27748 Total AfriNIC prefixes after maximum aggregation: 5409 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36024 Unique aggregates announced from the AfriNIC address blocks: 11834 AfriNIC Region origin ASes present in the Internet Routing Table: 1600 AfriNIC Prefixes per ASN: 22.52 AfriNIC Region origin ASes announcing only one prefix: 550 AfriNIC Region transit ASes present in the Internet Routing Table: 321 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: 933 Number of AfriNIC addresses announced to Internet: 107912960 Equivalent to 6 /8s, 110 /16s and 159 /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 9092 8881 37 CHINAMOBILE-CN China Mobile Communicati 7545 5873 788 687 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4650 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3601 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3496 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3435 1880 57 VNPT-AS-VN VNPT Corp, VN 9498 2383 475 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2290 11120 607 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2111 429 198 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 6339 10210 2648 AMAZON-02, US 11492 4446 295 737 CABLEONE, US 22773 3956 3050 373 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3895 263 26 VIASAT-SP-BACKBONE, US 16625 3659 1886 2573 AKAMAI-AS, US 6327 3396 1318 61 SHAW, CA 749 2884 50780 2140 DNIC-AS-00749, US 30036 2607 373 161 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2516 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2258 3042 500 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 6889 1692 17 TTNET, TR 12479 6822 1730 149 UNI2-AS, ES 8551 4015 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3925 3194 544 AKAMAI-ASN1, NL 39891 3818 220 33 ALJAWWALSTC-AS, SA 12389 2932 2274 908 ROSTELECOM-AS, RU 6849 2745 355 21 UKRTELNET, UA 9009 2473 249 1292 M247, GB 34984 2240 359 611 TELLCOM-AS, TR 47331 1867 293 1425 TTNET, TR 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 10429 3425 555 Uninet S.A. de C.V., MX 10620 3468 518 715 Telmex Colombia S.A., CO 11830 2429 369 62 Instituto Costarricense de Electricidad 13999 1699 290 471 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1386 2332 248 CLARO S.A., BR 3816 1254 666 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1147 2350 139 TIM SA, BR 6147 1092 369 21 Telefonica del Peru S.A.A., PE 11172 956 133 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 1592 393 21 LINKdotNET-AS, EG 24835 1545 523 32 RAYA-AS, EG 36992 1301 1518 262 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 907 64 62 ORANGE-COTE-IVOIRE, CI 36935 729 521 40 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 517 51 34 WANANCHI-, KE 37342 469 32 1 MOVITEL, MZ 23889 422 232 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 10429 3425 555 Uninet S.A. de C.V., MX 9808 9092 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6889 1692 17 TTNET, TR 12479 6822 1730 149 UNI2-AS, ES 16509 6339 10210 2648 AMAZON-02, US 7545 5873 788 687 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4650 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4446 295 737 CABLEONE, US 8551 4015 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3956 3050 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 9092 9055 CHINAMOBILE-CN China Mobile Communications Grou 9121 6889 6872 TTNET, TR 12479 6822 6673 UNI2-AS, ES 7545 5873 5186 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4650 4577 ERX-CERNET-BKB China Education and Research Net 8551 4015 3976 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3869 VIASAT-SP-BACKBONE, US 39891 3818 3785 ALJAWWALSTC-AS, SA 11492 4446 3709 CABLEONE, US 16509 6339 3691 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, 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 32306 UNALLOCATED 8.46.80.0/24 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 100.64.3.0/24 48276 LEVEL-AS, RU 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 23.133.82.0/24 Origin: 13849 BLOCKINETIC, US 23.133.82.0/24 Transit: 53667 PONYNET, US 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 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 /11:100 /12:305 /13:590 /14:1201 /15:2064 /16:13600 /17:8335 /18:13926 /19:25233 /20:43616 /21:52610 /22:108416 /23:95788 /24:528811 /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 6005 6889 TTNET, TR 12479 5801 6822 UNI2-AS, ES 8151 4087 10429 Uninet S.A. de C.V., MX 8551 3480 4015 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3359 4446 CABLEONE, US 6327 3209 3396 SHAW, CA 39891 3130 3818 ALJAWWALSTC-AS, SA 7155 2988 3895 VIASAT-SP-BACKBONE, US 22773 2941 3956 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2600 2745 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1909 2:1061 3:154 4:7 5:3783 6:103 7:5 8:1529 9:1 11:172 12:1712 13:336 14:2377 15:170 16:43 17:376 18:144 20:183 21:4 22:188 23:5510 24:2339 25:6 27:2678 29:19 31:2424 32:93 34:1 35:62 36:1751 37:4378 38:2606 39:696 40:150 41:3945 42:1074 43:2152 44:300 45:16156 46:4083 47:347 49:1664 50:1913 51:107 52:1371 53:1 54:296 55:778 56:8 57:59 58:1826 59:1180 60:965 61:2278 62:2458 63:1944 64:5495 65:2303 66:4868 67:2983 68:1195 69:4149 70:1351 71:676 72:3075 74:2631 75:1517 76:716 77:2107 78:3870 79:3106 80:1962 81:1667 82:1474 83:1213 84:1345 85:3640 86:720 87:1963 88:2657 89:3232 90:519 91:7627 92:1996 93:2595 94:3485 95:4742 96:1304 97:347 98:991 99:865 100:76 101:1047 102:1999 103:28694 104:4262 105:462 106:852 107:2498 108:794 109:4199 110:2072 111:3219 112:2004 113:1484 114:1510 115:2139 116:1887 117:2520 118:2345 119:1893 120:1637 121:1088 122:2537 123:2152 124:1557 125:2125 128:1209 129:1191 130:928 131:2083 132:788 133:372 134:1931 135:289 136:879 137:1014 138:2469 139:1250 140:888 141:1378 142:1277 143:1484 144:1232 145:344 146:1765 147:1500 148:2234 149:1704 150:864 151:1078 152:1836 153:534 154:3648 155:1427 156:1871 157:1231 158:1026 159:2080 160:2417 161:1298 162:3459 163:1230 164:1674 165:1608 166:671 167:1740 168:3726 169:692 170:4394 171:821 172:3051 173:3070 174:1018 175:1141 176:3507 177:4571 178:3418 179:1965 180:2333 181:2926 182:3189 183:1956 184:2388 185:19383 186:4342 187:3621 188:3850 189:3042 190:8925 191:1310 192:11052 193:8565 194:6974 195:4978 196:2949 197:2361 198:6011 199:6018 200:7518 201:5658 202:10543 203:10192 204:4560 205:3398 206:3806 207:3387 208:4047 209:4662 210:4297 211:2443 212:3997 213:3401 214:1160 215:66 216:6445 217:2637 218:1245 219:574 220:2032 221:987 222:852 223:2143 End of report