IPv4 R&E Routing Table Report 21:10 GMT Sat 17 Sep, 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: 900639 Prefixes after maximum aggregation (per Origin AS): 340884 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 439744 Number of IPv4 prefixes with a valid ROA: 351309 Number of IPv4 prefixes with an invalid ROA: 3037 Number of IPv4 prefixes with no ROA: 546293 Total ASes present in the Internet Routing Table: 73655 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63293 Origin ASes announcing only one prefix: 25999 Transit ASes present in the Internet Routing Table: 10362 Transit-only ASes present in the Internet Routing Table: 406 Paths with bogon ASNs present in the IPv4 Routing Table: 59 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1134 Number of instances of unregistered ASNs: 1137 Number of 32-bit ASNs allocated by the RIRs: 40170 Number of 32-bit ASNs visible in the Routing Table: 33353 Prefixes from 32-bit ASNs in the Routing Table: 160387 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 599 Number of addresses announced to Internet: 3068292352 Equivalent to 182 /8s, 226 /16s and 109 /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: 99.6 Total number of prefixes smaller than registry allocations: 301109 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235970 Total APNIC prefixes after maximum aggregation: 67200 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 230957 Unique aggregates announced from the APNIC address blocks: 96388 APNIC Region origin ASes present in the Internet Routing Table: 12942 APNIC Prefixes per ASN: 17.85 APNIC Region origin ASes announcing only one prefix: 3730 APNIC Region transit ASes present in the Internet Routing Table: 1769 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8190 Number of APNIC addresses announced to Internet: 773013760 Equivalent to 46 /8s, 19 /16s and 65 /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: 265356 Total ARIN prefixes after maximum aggregation: 120972 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265993 Unique aggregates announced from the ARIN address blocks: 128092 ARIN Region origin ASes present in the Internet Routing Table: 19054 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 6942 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: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4613 Number of ARIN addresses announced to Internet: 1292340736 Equivalent to 77 /8s, 7 /16s and 142 /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: 252789 Total RIPE prefixes after maximum aggregation: 118430 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250103 Unique aggregates announced from the RIPE address blocks: 153922 RIPE Region origin ASes present in the Internet Routing Table: 28179 RIPE Prefixes per ASN: 8.88 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3929 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10802 Number of RIPE addresses announced to Internet: 718364416 Equivalent to 42 /8s, 209 /16s and 95 /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: 116849 Total LACNIC prefixes after maximum aggregation: 27871 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 116444 Unique aggregates announced from the LACNIC address blocks: 48945 LACNIC Region origin ASes present in the Internet Routing Table: 10968 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2695 LACNIC Region transit ASes present in the Internet Routing Table: 2233 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8728 Number of LACNIC addresses announced to Internet: 176477184 Equivalent to 10 /8s, 132 /16s and 212 /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: 28541 Total AfriNIC prefixes after maximum aggregation: 5587 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36542 Unique aggregates announced from the AfriNIC address blocks: 11905 AfriNIC Region origin ASes present in the Internet Routing Table: 1687 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1020 Number of AfriNIC addresses announced to Internet: 107783936 Equivalent to 6 /8s, 108 /16s and 167 /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 9057 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5908 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3575 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3355 1870 59 VNPT-AS-VN VNPT Corp, VN 4538 2905 4192 74 ERX-CERNET-BKB China Education and Rese 9498 2443 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2229 11123 598 KIXS-AS-KR Korea Telecom, KR 24560 2207 852 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2173 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7129 10488 2834 AMAZON-02, US 11492 4542 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3850 3068 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3531 1826 2533 AKAMAI-AS, US 6327 3462 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2616 370 231 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2347 4935 393 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 6913 1730 144 UNI2-AS, ES 20940 4074 3361 203 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2915 2290 909 ROSTELECOM-AS, RU 6849 2702 355 21 UKRTELNET, UA 9009 2590 250 1335 M247, GB 34984 2257 358 633 TELLCOM-AS, TR 58224 1797 936 536 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 10951 3394 557 Uninet S.A. de C.V., MX 10620 3501 515 787 Telmex Colombia S.A., CO 11830 2322 369 65 Instituto Costarricense de Electricidad 13999 1998 325 510 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1058 179 467 Techtel LMDS Comunicaciones Interactiva 26615 985 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 24863 1579 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1346 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 991 68 32 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 522 52 40 WANANCHI-, KE 37342 478 32 1 MOVITEL, MZ 23889 402 232 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 10951 3394 557 Uninet S.A. de C.V., MX 9808 9057 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7129 10488 2834 AMAZON-02, US 12479 6913 1730 144 UNI2-AS, ES 7545 5908 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4542 301 591 CABLEONE, US 20940 4074 3361 203 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, 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 9057 9010 CHINAMOBILE-CN China Mobile Communications Grou 12479 6913 6769 UNI2-AS, ES 7545 5908 5217 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7129 4295 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4542 3951 CABLEONE, US 8551 3989 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4074 3871 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3575 3555 VIETEL-AS-AP Viettel Group, VN 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, 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 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 24.152.20.0/23 Origin: 270472 UNASSIGNED 24.152.20.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 24.152.22.0/23 Origin: 270472 UNASSIGNED 24.152.22.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 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 /10:39 /11:101 /12:301 /13:592 /14:1203 /15:2092 /16:13521 /17:8344 /18:13934 /19:25051 /20:44086 /21:51488 /22:108564 /23:96312 /24:534981 /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 5911 6913 UNI2-AS, ES 8151 4689 10951 Uninet S.A. de C.V., MX 11492 3462 4542 CABLEONE, US 8551 3453 3989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3273 3462 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2862 3850 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2558 2702 UKRTELNET, UA 30036 2273 2616 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1904 2:1024 3:163 4:5 5:3887 6:116 7:6 8:1572 9:1 11:173 12:1634 13:338 14:2360 15:263 16:51 17:361 18:305 20:244 21:4 22:188 23:5959 24:2448 25:6 27:2737 29:19 31:2414 32:91 34:7 35:89 36:1855 37:4480 38:3554 39:741 40:155 41:3927 42:1160 43:2241 44:291 45:16163 46:4174 47:307 48:1 49:1695 50:1936 51:241 52:1493 54:385 55:833 56:8 57:68 58:1820 59:1173 60:988 61:2299 62:2549 63:1914 64:5612 65:2332 66:4884 67:2987 68:1212 69:4156 70:1323 71:692 72:3000 74:2645 75:1455 76:593 77:2263 78:1881 79:3131 80:2066 81:1652 82:1508 83:1200 84:1379 85:2949 86:727 87:1912 88:1168 89:3424 90:557 91:7607 92:2058 93:2546 94:3537 95:3863 96:1308 97:348 98:1040 99:721 100:75 101:1069 102:2325 103:30086 104:4572 105:472 106:888 107:2541 108:890 109:4309 110:1996 111:3275 112:2040 113:1502 114:1510 115:2092 116:1855 117:2487 118:2326 119:1837 120:1704 121:1082 122:2532 123:2126 124:1498 125:2132 128:1245 129:1024 130:1008 131:2037 132:824 133:377 134:1944 135:296 136:865 137:1021 138:2555 139:1520 140:953 141:1454 142:1344 143:1395 144:1195 145:343 146:1861 147:1522 148:2247 149:1807 150:872 151:1102 152:1947 153:546 154:3751 155:1422 156:1699 157:1285 158:1040 159:2191 160:2536 161:1348 162:3502 163:1411 164:1678 165:1659 166:795 167:1750 168:3830 169:874 170:4513 171:850 172:3371 173:3118 174:1023 175:1157 176:3606 177:4712 178:3568 179:2168 180:2386 181:3299 182:3189 183:1932 184:2359 185:19722 186:4613 187:3914 188:4001 189:3474 190:9079 191:1498 192:11003 193:8672 194:7145 195:5078 196:2980 197:2459 198:5988 199:6041 200:7698 201:5797 202:10501 203:10226 204:4517 205:3477 206:3858 207:3434 208:4060 209:4726 210:4361 211:2338 212:4057 213:3492 214:1109 215:54 216:6417 217:2628 218:1307 219:472 220:2011 221:927 222:772 223:1972 End of report