IPv4 R&E Routing Table Report 21:10 GMT Mon 23 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: 891904 Prefixes after maximum aggregation (per Origin AS): 337291 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 432641 Number of IPv4 prefixes with a valid ROA: 326003 Number of IPv4 prefixes with an invalid ROA: 2909 Number of IPv4 prefixes with no ROA: 562992 Total ASes present in the Internet Routing Table: 73193 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 62911 Origin ASes announcing only one prefix: 25781 Transit ASes present in the Internet Routing Table: 10282 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: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 940 Number of instances of unregistered ASNs: 946 Number of 32-bit ASNs allocated by the RIRs: 39454 Number of 32-bit ASNs visible in the Routing Table: 32724 Prefixes from 32-bit ASNs in the Routing Table: 154756 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 531 Number of addresses announced to Internet: 3064898560 Equivalent to 182 /8s, 174 /16s and 164 /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: 297692 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236033 Total APNIC prefixes after maximum aggregation: 66551 APNIC Deaggregation factor: 3.55 Prefixes being announced from the APNIC address blocks: 231274 Unique aggregates announced from the APNIC address blocks: 94813 APNIC Region origin ASes present in the Internet Routing Table: 12657 APNIC Prefixes per ASN: 18.27 APNIC Region origin ASes announcing only one prefix: 3602 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: 7872 Number of APNIC addresses announced to Internet: 773900288 Equivalent to 46 /8s, 32 /16s and 200 /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: 262093 Total ARIN prefixes after maximum aggregation: 120236 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261901 Unique aggregates announced from the ARIN address blocks: 125898 ARIN Region origin ASes present in the Internet Routing Table: 19042 ARIN Prefixes per ASN: 13.75 ARIN Region origin ASes announcing only one prefix: 6929 ARIN Region transit ASes present in the Internet Routing Table: 1915 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: 4502 Number of ARIN addresses announced to Internet: 1292475136 Equivalent to 77 /8s, 9 /16s and 155 /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: 250098 Total RIPE prefixes after maximum aggregation: 116749 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 247525 Unique aggregates announced from the RIPE address blocks: 151068 RIPE Region origin ASes present in the Internet Routing Table: 28152 RIPE Prefixes per ASN: 8.79 RIPE Region origin ASes announcing only one prefix: 12026 RIPE Region transit ASes present in the Internet Routing Table: 3930 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: 10719 Number of RIPE addresses announced to Internet: 714025984 Equivalent to 42 /8s, 143 /16s and 44 /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: 114874 Total LACNIC prefixes after maximum aggregation: 27584 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114700 Unique aggregates announced from the LACNIC address blocks: 48645 LACNIC Region origin ASes present in the Internet Routing Table: 10955 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2184 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: 8667 Number of LACNIC addresses announced to Internet: 176491264 Equivalent to 10 /8s, 133 /16s and 11 /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: 27866 Total AfriNIC prefixes after maximum aggregation: 5481 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35972 Unique aggregates announced from the AfriNIC address blocks: 11783 AfriNIC Region origin ASes present in the Internet Routing Table: 1634 AfriNIC Prefixes per ASN: 22.01 AfriNIC Region origin ASes announcing only one prefix: 565 AfriNIC Region transit ASes present in the Internet Routing Table: 334 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: 964 Number of AfriNIC addresses announced to Internet: 107704832 Equivalent to 6 /8s, 107 /16s and 114 /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 9153 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5891 789 690 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4672 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3585 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3425 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2409 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 2121 438 203 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 6443 10354 2791 AMAZON-02, US 11492 4512 299 654 CABLEONE, US 22773 3961 3079 373 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3540 1821 2535 AKAMAI-AS, US 6327 3435 1318 61 SHAW, CA 749 2873 50795 2130 DNIC-AS-00749, US 30036 2628 374 151 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2460 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 6810 1730 150 UNI2-AS, ES 8551 4000 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3978 3192 562 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2927 355 21 UKRTELNET, UA 12389 2922 2273 907 ROSTELECOM-AS, RU 9009 2476 247 1285 M247, GB 34984 2240 357 625 TELLCOM-AS, TR 58224 1806 930 596 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 3400 562 Uninet S.A. de C.V., MX 10620 3473 518 742 Telmex Colombia S.A., CO 11830 2437 369 63 Instituto Costarricense de Electricidad 13999 1825 300 468 Mega Cable, S.A. de C.V., MX 6503 1448 355 528 Axtel, S.A.B. de C.V., MX 28573 1370 2333 255 CLARO S.A., BR 3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 1026 192 444 Techtel LMDS Comunicaciones Interactiva 11172 958 133 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 1655 393 21 LINKdotNET-AS, EG 24835 1466 497 30 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 945 65 63 ORANGE-COTE-IVOIRE, CI 36935 675 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 518 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 10626 3400 562 Uninet S.A. de C.V., MX 9808 9153 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6810 1730 150 UNI2-AS, ES 16509 6443 10354 2791 AMAZON-02, US 7545 5891 789 690 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4672 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4512 299 654 CABLEONE, US 8551 4000 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3978 3192 562 AKAMAI-ASN1, NL 22773 3961 3079 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 9153 9118 CHINAMOBILE-CN China Mobile Communications Grou 12479 6810 6660 UNI2-AS, ES 7545 5891 5201 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4672 4597 ERX-CERNET-BKB China Education and Research Net 8551 4000 3961 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4512 3858 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 16509 6443 3652 AMAZON-02, US 22773 3961 3588 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 23.141.0.0/24 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 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 /16:13540 /17:8316 /18:13904 /19:25187 /20:44054 /21:51636 /22:107958 /23:95507 /24:527434 /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 5786 6810 UNI2-AS, ES 8151 4347 10626 Uninet S.A. de C.V., MX 8551 3466 4000 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3415 4512 CABLEONE, US 6327 3249 3435 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2949 3961 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2778 2927 UKRTELNET, UA 30036 2284 2628 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1921 2:1023 3:154 4:6 5:3779 6:104 7:5 8:1543 9:1 11:173 12:1705 13:296 14:2367 15:201 16:42 17:383 18:161 20:212 21:4 22:188 23:5676 24:2321 25:6 27:2654 29:19 31:2429 32:92 34:4 35:78 36:1757 37:4437 38:2882 39:702 40:152 41:3950 42:1088 43:2187 44:292 45:16077 46:4132 47:325 49:1667 50:2167 51:108 52:1433 54:369 55:753 56:8 57:60 58:1864 59:1196 60:957 61:2250 62:2524 63:1942 64:5545 65:2329 66:4870 67:2999 68:1196 69:4171 70:1333 71:691 72:3054 74:2651 75:1393 76:578 77:2170 78:1850 79:3116 80:1993 81:1606 82:1498 83:1196 84:1371 85:2923 86:708 87:1965 88:1121 89:3274 90:532 91:7640 92:2018 93:2594 94:3489 95:3853 96:1308 97:349 98:998 99:737 100:76 101:1047 102:2081 103:29176 104:4399 105:465 106:873 107:2521 108:832 109:4266 110:2027 111:3241 112:2028 113:1511 114:1496 115:2149 116:1894 117:2513 118:2335 119:1877 120:1662 121:1105 122:2560 123:2139 124:1535 125:2149 128:1261 129:1097 130:982 131:2067 132:803 133:378 134:1906 135:290 136:887 137:1001 138:2449 139:1511 140:863 141:1411 142:1292 143:1441 144:1201 145:348 146:1817 147:1472 148:2251 149:1722 150:857 151:1079 152:1852 153:536 154:3457 155:1422 156:1847 157:1231 158:1046 159:2177 160:2521 161:1280 162:3467 163:1281 164:1655 165:1616 166:725 167:1741 168:3780 169:840 170:4477 171:828 172:3189 173:3140 174:1023 175:1132 176:3593 177:4601 178:3548 179:2058 180:2341 181:3000 182:3209 183:1953 184:2374 185:19519 186:4332 187:3753 188:3875 189:3254 190:8951 191:1314 192:10990 193:8630 194:7021 195:4978 196:2979 197:2379 198:5992 199:6041 200:7573 201:5727 202:10472 203:10227 204:4541 205:3446 206:3769 207:3382 208:4019 209:4666 210:4367 211:2457 212:4033 213:3439 214:1153 215:67 216:6480 217:2665 218:1268 219:549 220:1951 221:983 222:847 223:2117 End of report