IPv4 R&E Routing Table Report 21:10 GMT Wed 26 Oct, 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: 904657 Prefixes after maximum aggregation (per Origin AS): 342718 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 440865 Number of IPv4 prefixes with a valid ROA: 358417 Number of IPv4 prefixes with an invalid ROA: 3025 Number of IPv4 prefixes with no ROA: 543215 Total ASes present in the Internet Routing Table: 73773 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 63420 Origin ASes announcing only one prefix: 25987 Transit ASes present in the Internet Routing Table: 10353 Transit-only ASes present in the Internet Routing Table: 409 Paths with bogon ASNs present in the IPv4 Routing Table: 83 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: 1094 Number of instances of unregistered ASNs: 1113 Number of 32-bit ASNs allocated by the RIRs: 40487 Number of 32-bit ASNs visible in the Routing Table: 33586 Prefixes from 32-bit ASNs in the Routing Table: 162473 Number of bogon 32-bit ASNs visible in the Routing Table: 71 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3064001024 Equivalent to 182 /8s, 160 /16s and 242 /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: 302512 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237292 Total APNIC prefixes after maximum aggregation: 67622 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 232376 Unique aggregates announced from the APNIC address blocks: 96785 APNIC Region origin ASes present in the Internet Routing Table: 13053 APNIC Prefixes per ASN: 17.80 APNIC Region origin ASes announcing only one prefix: 3743 APNIC Region transit ASes present in the Internet Routing Table: 1768 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: 8302 Number of APNIC addresses announced to Internet: 773347328 Equivalent to 46 /8s, 24 /16s and 88 /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: 266979 Total ARIN prefixes after maximum aggregation: 121539 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268145 Unique aggregates announced from the ARIN address blocks: 128861 ARIN Region origin ASes present in the Internet Routing Table: 19055 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6949 ARIN Region transit ASes present in the Internet Routing Table: 1922 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: 4655 Number of ARIN addresses announced to Internet: 1290003968 Equivalent to 76 /8s, 227 /16s and 230 /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: 253866 Total RIPE prefixes after maximum aggregation: 119192 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250761 Unique aggregates announced from the RIPE address blocks: 154515 RIPE Region origin ASes present in the Internet Routing Table: 28157 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 11988 RIPE Region transit ASes present in the Internet Routing Table: 3918 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: 10859 Number of RIPE addresses announced to Internet: 716442624 Equivalent to 42 /8s, 180 /16s and 12 /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: 116693 Total LACNIC prefixes after maximum aggregation: 27978 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116224 Unique aggregates announced from the LACNIC address blocks: 48370 LACNIC Region origin ASes present in the Internet Routing Table: 10992 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2712 LACNIC Region transit ASes present in the Internet Routing Table: 2243 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8745 Number of LACNIC addresses announced to Internet: 175933952 Equivalent to 10 /8s, 124 /16s and 138 /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: 28733 Total AfriNIC prefixes after maximum aggregation: 5585 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36622 Unique aggregates announced from the AfriNIC address blocks: 11907 AfriNIC Region origin ASes present in the Internet Routing Table: 1699 AfriNIC Prefixes per ASN: 21.56 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1025 Number of AfriNIC addresses announced to Internet: 107939584 Equivalent to 6 /8s, 111 /16s and 7 /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 9066 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5927 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3602 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3386 1877 66 VNPT-AS-VN VNPT Corp, VN 4538 2824 4192 74 ERX-CERNET-BKB China Education and Rese 9498 2491 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2292 11250 595 KIXS-AS-KR Korea Telecom, KR 24560 2242 851 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2179 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 7438 10587 2888 AMAZON-02, US 11492 4626 306 505 CABLEONE, US 7155 3897 265 32 VIASAT-SP-BACKBONE, US 22773 3740 3056 329 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3560 1861 2547 AKAMAI-AS, US 6327 3508 1320 63 SHAW, CA 749 3029 50727 2287 DNIC-AS-00749, US 7018 2661 24159 1611 ATT-INTERNET4, US 30036 2600 368 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2557 3480 349 GOOGLE-CLOUD-PLATFORM, 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 6915 1730 144 UNI2-AS, ES 20940 4104 3400 177 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2922 2290 912 ROSTELECOM-AS, RU 9009 2619 252 1344 M247, RO 6849 2438 339 20 UKRTELNET, UA 34984 2240 357 614 TELLCOM-AS, TR 58224 1729 916 593 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 10844 3315 603 Uninet S.A. de C.V., MX 10620 3469 510 837 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2081 338 538 Mega Cable, S.A. de C.V., MX 28573 1335 2329 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 338 521 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11664 1089 181 466 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1567 393 21 LINKdotNET-AS, EG 24835 1519 521 31 RAYA-AS, EG 36992 1350 1519 270 ETISALAT-MISR, EG 36903 1248 550 99 MT-MPLS, MA 29571 992 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 495 32 1 MOVITEL, MZ 23889 400 231 14 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 10844 3315 603 Uninet S.A. de C.V., MX 9808 9066 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7438 10587 2888 AMAZON-02, US 12479 6915 1730 144 UNI2-AS, ES 7545 5927 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4626 306 505 CABLEONE, US 20940 4104 3400 177 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3982 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3897 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 9066 9019 CHINAMOBILE-CN China Mobile Communications Grou 12479 6915 6771 UNI2-AS, ES 7545 5927 5237 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7438 4550 AMAZON-02, US 11492 4626 4121 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3982 3944 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4104 3927 AKAMAI-ASN1, NL 7155 3897 3865 VIASAT-SP-BACKBONE, US 7552 3602 3582 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 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.88.0.0/17 264275 ROLIM NET TECNOLOGIA LTDA, BR 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 2914 NTT-LTD-2914, US 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 /11:100 /12:298 /13:589 /14:1197 /15:2077 /16:13500 /17:8356 /18:13950 /19:25094 /20:43931 /21:51358 /22:109040 /23:96721 /24:538377 /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 5922 6915 UNI2-AS, ES 8151 4804 10844 Uninet S.A. de C.V., MX 11492 3533 4626 CABLEONE, US 8551 3446 3982 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3316 3508 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3897 VIASAT-SP-BACKBONE, US 22773 2771 3740 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2301 2438 UKRTELNET, UA 30036 2258 2600 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1888 2:1023 3:166 4:5 5:4004 6:116 7:5 8:1570 9:1 11:173 12:1621 13:355 14:2369 15:275 16:69 17:359 18:341 20:241 21:4 22:188 23:5985 24:2473 25:6 27:2789 29:19 31:2453 32:90 34:7 35:91 36:1840 37:4498 38:3736 39:754 40:159 41:3934 42:1179 43:2300 44:299 45:16305 46:4186 47:375 49:1709 50:1930 51:244 52:1500 54:397 55:845 56:8 57:82 58:1814 59:1172 60:999 61:2379 62:2551 63:1966 64:5654 65:2323 66:4862 67:2998 68:1378 69:4155 70:1301 71:684 72:2993 74:2654 75:1473 76:600 77:2251 78:1840 79:3152 80:2051 81:1676 82:1520 83:1219 84:1434 85:2965 86:734 87:1920 88:1180 89:3434 90:549 91:7600 92:2067 93:2554 94:3544 95:3866 96:1351 97:346 98:1169 99:739 100:69 101:1065 102:2372 103:30451 104:4536 105:477 106:889 107:2546 108:899 109:4342 110:2015 111:3272 112:2068 113:1513 114:1536 115:2106 116:1871 117:2483 118:2329 119:1862 120:1703 121:1093 122:2564 123:2144 124:1499 125:2169 128:1276 129:980 130:977 131:2026 132:841 133:379 134:1913 135:290 136:873 137:1044 138:2532 139:1524 140:1138 141:1467 142:1400 143:1418 144:1197 145:352 146:1878 147:1541 148:2256 149:1836 150:879 151:1137 152:1947 153:547 154:3791 155:1428 156:1643 157:1304 158:1052 159:2198 160:2578 161:1386 162:3515 163:1450 164:1687 165:1652 166:816 167:1738 168:3795 169:901 170:4536 171:848 172:3469 173:3104 174:1043 175:1152 176:3594 177:4781 178:3534 179:2104 180:2385 181:3317 182:3196 183:1943 184:2354 185:19847 186:4568 187:3968 188:4016 189:3477 190:9005 191:1444 192:10991 193:8753 194:7173 195:5092 196:2993 197:2477 198:6000 199:6066 200:7604 201:5829 202:10492 203:10245 204:4598 205:3481 206:3901 207:3442 208:4096 209:4797 210:4351 211:2380 212:4032 213:3589 214:1086 215:53 216:6495 217:2624 218:1312 219:479 220:2041 221:926 222:773 223:1983 End of report