IPv4 R&E Routing Table Report 21:10 GMT Sat 25 Mar, 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: 914681 Prefixes after maximum aggregation (per Origin AS): 347163 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447406 Number of IPv4 prefixes with a valid ROA: 381519 Number of IPv4 prefixes with an invalid ROA: 2479 Number of IPv4 prefixes with no ROA: 530683 Total ASes present in the Internet Routing Table: 74275 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63810 Origin ASes announcing only one prefix: 26157 Transit ASes present in the Internet Routing Table: 10465 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 61 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1085 Number of instances of unregistered ASNs: 1091 Number of 32-bit ASNs allocated by the RIRs: 41520 Number of 32-bit ASNs visible in the Routing Table: 34392 Prefixes from 32-bit ASNs in the Routing Table: 168984 Number of bogon 32-bit ASNs visible in the Routing Table: 62 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3062145280 Equivalent to 182 /8s, 132 /16s and 161 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 306173 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239984 Total APNIC prefixes after maximum aggregation: 68621 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234557 Unique aggregates announced from the APNIC address blocks: 98023 APNIC Region origin ASes present in the Internet Routing Table: 13376 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3917 APNIC Region transit ASes present in the Internet Routing Table: 1800 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8677 Number of APNIC addresses announced to Internet: 773289216 Equivalent to 46 /8s, 23 /16s and 117 /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: 268309 Total ARIN prefixes after maximum aggregation: 121965 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270521 Unique aggregates announced from the ARIN address blocks: 130334 ARIN Region origin ASes present in the Internet Routing Table: 19061 ARIN Prefixes per ASN: 14.19 ARIN Region origin ASes announcing only one prefix: 6969 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: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4761 Number of ARIN addresses announced to Internet: 1285438464 Equivalent to 76 /8s, 158 /16s and 60 /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: 258288 Total RIPE prefixes after maximum aggregation: 121636 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254615 Unique aggregates announced from the RIPE address blocks: 157335 RIPE Region origin ASes present in the Internet Routing Table: 28290 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12032 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11103 Number of RIPE addresses announced to Internet: 718217472 Equivalent to 42 /8s, 207 /16s and 33 /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: 117680 Total LACNIC prefixes after maximum aggregation: 28370 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117002 Unique aggregates announced from the LACNIC address blocks: 49046 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2283 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: 8771 Number of LACNIC addresses announced to Internet: 176658176 Equivalent to 10 /8s, 135 /16s and 151 /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: 29335 Total AfriNIC prefixes after maximum aggregation: 5790 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 37484 Unique aggregates announced from the AfriNIC address blocks: 12266 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 599 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: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1080 Number of AfriNIC addresses announced to Internet: 108158464 Equivalent to 6 /8s, 114 /16s and 94 /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 9523 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5755 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3543 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3454 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3370 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2864 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2750 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2361 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 11250 588 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 8147 10769 2882 AMAZON-02, US 11492 4534 300 620 CABLEONE, US 7155 3963 279 45 VIASAT-SP-BACKBONE, US 22773 3626 3079 293 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3151 1585 2334 AKAMAI-AS, US 749 3037 50520 2304 DNIC-AS-00749, US 396982 2624 3588 357 GOOGLE-CLOUD-PLATFORM, US 7018 2557 24118 1563 ATT-INTERNET4, US 30036 2507 361 483 MEDIACOM-ENTERPRISE-BUSINESS, 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 7166 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4052 3399 166 AKAMAI-ASN1, NL 8551 3891 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2935 2292 913 ROSTELECOM-AS, RU 9009 2673 254 1399 M247, RO 34984 2268 359 610 TELLCOM-AS, TR 6849 2135 339 19 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1607 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 11193 3340 573 Uninet S.A. de C.V., MX 10620 3498 506 850 Telmex Colombia S.A., CO 13999 2296 366 610 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1329 2324 245 Claro NXT Telecomunicacoes Ltda, BR 3816 1303 767 159 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 452 Techtel LMDS Comunicaciones Interactiva 26615 1030 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 1568 393 19 LINKdotNET-AS, EG 24835 1542 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1017 67 53 ORANGE-COTE-IVOIRE, CI 36935 880 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 508 52 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 487 73 5 EthioNet-AS, ET 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 11193 3340 573 Uninet S.A. de C.V., MX 9808 9523 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8147 10769 2882 AMAZON-02, US 12479 7166 1705 149 UNI2-AS, ES 7545 5755 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4534 300 620 CABLEONE, US 20940 4052 3399 166 AKAMAI-ASN1, NL 7155 3963 279 45 VIASAT-SP-BACKBONE, US 8551 3891 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9523 9475 CHINAMOBILE-CN China Mobile Communications Grou 12479 7166 7017 UNI2-AS, ES 16509 8147 5265 AMAZON-02, US 7545 5755 5064 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3963 3918 VIASAT-SP-BACKBONE, US 11492 4534 3914 CABLEONE, US 20940 4052 3886 AKAMAI-ASN1, NL 8551 3891 3854 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3543 3478 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 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 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 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 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 6461 ZAYO-6461, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 6461 ZAYO-6461, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 6461 ZAYO-6461, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 6461 ZAYO-6461, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:103 /12:299 /13:578 /14:1196 /15:2073 /16:13480 /17:8249 /18:13820 /19:25060 /20:43755 /21:51452 /22:109422 /23:97694 /24:547431 /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 6224 7166 UNI2-AS, ES 8151 5163 11193 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3442 4534 CABLEONE, US 8551 3363 3891 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3038 3963 VIASAT-SP-BACKBONE, US 22773 2680 3626 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2164 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2052 3498 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) ---------------------------------------------- 1:1670 2:1230 3:170 4:5 5:4455 6:121 7:6 8:1530 9:1 11:172 12:1578 13:393 14:2310 15:296 16:135 17:367 18:401 20:248 21:4 22:188 23:6138 24:2631 25:6 27:2568 29:19 31:2525 32:98 34:10 35:106 36:1912 37:4638 38:4419 39:807 40:151 41:3977 42:983 43:2323 44:308 45:16507 46:4226 47:375 49:1730 50:1833 51:570 52:1587 54:389 55:763 56:8 57:93 58:1759 59:1140 60:977 61:2434 62:2635 63:1928 64:5681 65:2314 66:4942 67:3045 68:1368 69:4177 70:1255 71:677 72:2970 74:2601 75:1461 76:608 77:2437 78:1861 79:3160 80:2078 81:1737 82:1497 83:1267 84:1536 85:3002 86:742 87:1964 88:1237 89:3612 90:613 91:7693 92:2035 93:2573 94:3578 95:3992 96:1329 97:336 98:1158 99:746 100:74 101:1067 102:2672 103:31266 104:4610 105:482 106:827 107:2551 108:990 109:4407 110:2081 111:3206 112:2061 113:1509 114:1623 115:2080 116:1902 117:2559 118:2289 119:1980 120:1755 121:1081 122:2602 123:2172 124:1565 125:2494 128:1332 129:1068 130:1012 131:2010 132:840 133:421 134:1903 135:300 136:855 137:1079 138:2563 139:1525 140:1221 141:1477 142:1439 143:1489 144:1170 145:356 146:1950 147:1569 148:2335 149:1952 150:881 151:1154 152:1843 153:567 154:4276 155:1412 156:1694 157:1281 158:1045 159:2272 160:2535 161:1522 162:3558 163:1557 164:1597 165:1697 166:884 167:1734 168:3886 169:933 170:4592 171:867 172:3531 173:2945 174:1017 175:1169 176:3680 177:4610 178:3640 179:2157 180:2448 181:3433 182:3323 183:1938 184:2350 185:20149 186:4697 187:3939 188:4064 189:3583 190:9152 191:1437 192:10950 193:8851 194:7277 195:5140 196:3101 197:2387 198:5946 199:6108 200:7874 201:5877 202:10599 203:10254 204:4614 205:3547 206:3945 207:3453 208:4083 209:4877 210:4362 211:2442 212:4114 213:3537 214:1081 215:60 216:6615 217:2673 218:1309 219:473 220:2013 221:977 222:802 223:2135 End of report