IPv4 R&E Routing Table Report 21:10 GMT Thu 11 May, 2023 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: 918790 Prefixes after maximum aggregation (per Origin AS): 348706 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448728 Number of IPv4 prefixes with a valid ROA: 396743 Number of IPv4 prefixes with an invalid ROA: 2730 Number of IPv4 prefixes with no ROA: 519317 Total ASes present in the Internet Routing Table: 74405 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63943 Origin ASes announcing only one prefix: 26210 Transit ASes present in the Internet Routing Table: 10462 Transit-only ASes present in the Internet Routing Table: 433 Paths with bogon ASNs present in the IPv4 Routing Table: 64 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1175 Number of instances of unregistered ASNs: 1233 Number of 32-bit ASNs allocated by the RIRs: 41827 Number of 32-bit ASNs visible in the Routing Table: 34564 Prefixes from 32-bit ASNs in the Routing Table: 171567 Number of bogon 32-bit ASNs visible in the Routing Table: 155 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 598 Number of addresses announced to Internet: 3056878592 Equivalent to 182 /8s, 52 /16s and 68 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 307383 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241083 Total APNIC prefixes after maximum aggregation: 68832 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 235429 Unique aggregates announced from the APNIC address blocks: 97967 APNIC Region origin ASes present in the Internet Routing Table: 13418 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3950 APNIC Region transit ASes present in the Internet Routing Table: 1799 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8735 Number of APNIC addresses announced to Internet: 773190656 Equivalent to 46 /8s, 21 /16s and 244 /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: 269720 Total ARIN prefixes after maximum aggregation: 122407 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272349 Unique aggregates announced from the ARIN address blocks: 130205 ARIN Region origin ASes present in the Internet Routing Table: 19091 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1932 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4787 Number of ARIN addresses announced to Internet: 1280825088 Equivalent to 76 /8s, 87 /16s and 215 /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: 259731 Total RIPE prefixes after maximum aggregation: 122395 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255767 Unique aggregates announced from the RIPE address blocks: 158408 RIPE Region origin ASes present in the Internet Routing Table: 28326 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3912 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11170 Number of RIPE addresses announced to Internet: 718136320 Equivalent to 42 /8s, 205 /16s and 228 /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: 118197 Total LACNIC prefixes after maximum aggregation: 28445 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117569 Unique aggregates announced from the LACNIC address blocks: 49350 LACNIC Region origin ASes present in the Internet Routing Table: 10998 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2632 LACNIC Region transit ASes present in the Internet Routing Table: 2281 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8785 Number of LACNIC addresses announced to Internet: 176719872 Equivalent to 10 /8s, 136 /16s and 136 /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: 28884 Total AfriNIC prefixes after maximum aggregation: 5823 AfriNIC Deaggregation factor: 4.96 Prefixes being announced from the AfriNIC address blocks: 37077 Unique aggregates announced from the AfriNIC address blocks: 12304 AfriNIC Region origin ASes present in the Internet Routing Table: 1739 AfriNIC Prefixes per ASN: 21.32 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1087 Number of AfriNIC addresses announced to Internet: 107606528 Equivalent to 6 /8s, 105 /16s and 242 /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 9483 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5727 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4042 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3577 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3227 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2954 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2734 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2393 836 450 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 45090 2184 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 8277 10779 2940 AMAZON-02, US 11492 4535 300 609 CABLEONE, US 7155 4004 281 51 VIASAT-SP-BACKBONE, US 22773 3588 3073 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 16625 3102 1568 2351 AKAMAI-AS, US 749 3100 54980 2352 DNIC-AS-00749, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2498 360 452 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2482 24147 1557 ATT-INTERNET4, 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 7304 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4090 3399 166 AKAMAI-ASN1, NL 8551 3882 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2924 2292 910 ROSTELECOM-AS, RU 9009 2726 253 1404 M247, RO 34984 2277 360 610 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1851 950 535 TCI, IR 13188 1607 100 18 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 11267 3329 595 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2349 361 619 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 443 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 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 1601 393 19 LINKdotNET-AS, EG 36992 1317 1518 276 ETISALAT-MISR, EG 24835 1310 533 30 RAYA-AS, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 67 46 ORANGE-COTE-IVOIRE, CI 36935 850 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 520 54 47 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 489 32 1 MOVITEL, MZ 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 11267 3329 595 Uninet S.A. de C.V., MX 9808 9483 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8277 10779 2940 AMAZON-02, US 12479 7304 1707 141 UNI2-AS, ES 7545 5727 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4535 300 609 CABLEONE, US 20940 4090 3399 166 AKAMAI-ASN1, NL 45899 4042 1872 41 VNPT-AS-VN VNPT Corp, VN 7155 4004 281 51 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 9483 9446 CHINAMOBILE-CN China Mobile Communications Grou 12479 7304 7163 UNI2-AS, ES 16509 8277 5337 AMAZON-02, US 7545 5727 5033 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4042 4001 VNPT-AS-VN VNPT Corp, VN 7155 4004 3953 VIASAT-SP-BACKBONE, US 11492 4535 3926 CABLEONE, US 20940 4090 3924 AKAMAI-ASN1, NL 8551 3882 3845 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 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 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.152.232.0/24 Origin: 400600 ISIT-ISP, US 23.152.232.0/24 Transit: 174 COGENT-174, 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 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 /9:14 /10:39 /11:104 /12:301 /13:579 /14:1196 /15:2085 /16:13468 /17:8195 /18:14233 /19:25049 /20:43688 /21:51179 /22:109287 /23:98010 /24:551346 /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 6364 7304 UNI2-AS, ES 8151 5234 11267 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3443 4535 CABLEONE, US 8551 3354 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3071 4004 VIASAT-SP-BACKBONE, US 22773 2652 3588 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1682 2:1303 3:173 4:5 5:4541 6:129 7:6 8:1532 9:1 11:172 12:1534 13:384 14:2330 15:300 16:189 17:372 18:421 20:258 21:4 22:188 23:6236 24:2604 25:6 27:2538 29:19 31:2496 32:76 34:11 35:108 36:1958 37:4697 38:4565 39:841 40:151 41:3890 42:1031 43:2349 44:306 45:16584 46:4294 47:362 49:1731 50:1841 51:567 52:1597 54:389 55:775 56:8 57:118 58:1772 59:1152 60:990 61:2484 62:2630 63:1920 64:5688 65:2315 66:5040 67:3031 68:1347 69:4104 70:1251 71:678 72:2992 74:2617 75:1556 76:611 77:2453 78:1814 79:3167 80:2125 81:1778 82:1495 83:1284 84:1529 85:2976 86:766 87:2030 88:1170 89:3686 90:613 91:7740 92:2065 93:2619 94:3613 95:4032 96:1313 97:336 98:1151 99:745 100:74 101:1072 102:2700 103:31428 104:4671 105:487 106:866 107:2525 108:1040 109:4411 110:2106 111:3100 112:2032 113:1548 114:1644 115:2039 116:1885 117:2542 118:2299 119:1923 120:1793 121:1095 122:2611 123:2169 124:1559 125:2494 128:1404 129:1091 130:1029 131:2020 132:856 133:422 134:1927 135:305 136:876 137:1095 138:2568 139:1565 140:1245 141:1451 142:1445 143:1514 144:1169 145:346 146:1953 147:1586 148:2365 149:2234 150:883 151:1159 152:1823 153:565 154:4262 155:1454 156:1792 157:1311 158:1065 159:2304 160:2544 161:1541 162:3510 163:1568 164:1621 165:1746 166:1048 167:1731 168:3872 169:934 170:4587 171:857 172:3557 173:2932 174:1072 175:1186 176:3699 177:4633 178:3600 179:2167 180:2616 181:3484 182:3347 183:1945 184:2339 185:20219 186:4744 187:3993 188:4096 189:3603 190:9121 191:1447 192:10932 193:8880 194:7292 195:5154 196:3093 197:2364 198:5967 199:6101 200:8037 201:5896 202:10610 203:10340 204:4586 205:3688 206:4315 207:3454 208:4098 209:4875 210:4367 211:2450 212:4129 213:3615 214:1085 215:59 216:6654 217:2694 218:1316 219:471 220:2002 221:978 222:785 223:2153 End of report