IPv4 R&E Routing Table Report 21:10 GMT Sun 02 Apr, 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: 914961 Prefixes after maximum aggregation (per Origin AS): 347316 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447689 Number of IPv4 prefixes with a valid ROA: 382380 Number of IPv4 prefixes with an invalid ROA: 2517 Number of IPv4 prefixes with no ROA: 530064 Total ASes present in the Internet Routing Table: 74246 Prefixes per ASN: 12.32 Origin-only ASes present in the Internet Routing Table: 63778 Origin ASes announcing only one prefix: 26157 Transit ASes present in the Internet Routing Table: 10468 Transit-only ASes present in the Internet Routing Table: 451 Paths with bogon ASNs present in the IPv4 Routing Table: 63 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: 1098 Number of instances of unregistered ASNs: 1100 Number of 32-bit ASNs allocated by the RIRs: 41586 Number of 32-bit ASNs visible in the Routing Table: 34388 Prefixes from 32-bit ASNs in the Routing Table: 169087 Number of bogon 32-bit ASNs visible in the Routing Table: 58 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 496 Number of addresses announced to Internet: 3061617920 Equivalent to 182 /8s, 124 /16s and 149 /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: 306256 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239991 Total APNIC prefixes after maximum aggregation: 68567 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234614 Unique aggregates announced from the APNIC address blocks: 98008 APNIC Region origin ASes present in the Internet Routing Table: 13359 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 3920 APNIC Region transit ASes present in the Internet Routing Table: 1807 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8659 Number of APNIC addresses announced to Internet: 773331456 Equivalent to 46 /8s, 24 /16s and 26 /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: 268394 Total ARIN prefixes after maximum aggregation: 122010 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270688 Unique aggregates announced from the ARIN address blocks: 130439 ARIN Region origin ASes present in the Internet Routing Table: 19065 ARIN Prefixes per ASN: 14.20 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1934 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: 4767 Number of ARIN addresses announced to Internet: 1285440000 Equivalent to 76 /8s, 158 /16s and 66 /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: 258624 Total RIPE prefixes after maximum aggregation: 121820 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254796 Unique aggregates announced from the RIPE address blocks: 157520 RIPE Region origin ASes present in the Internet Routing Table: 28278 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12018 RIPE Region transit ASes present in the Internet Routing Table: 3909 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11111 Number of RIPE addresses announced to Internet: 718031104 Equivalent to 42 /8s, 204 /16s and 73 /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: 117602 Total LACNIC prefixes after maximum aggregation: 28385 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116939 Unique aggregates announced from the LACNIC address blocks: 49075 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2649 LACNIC Region transit ASes present in the Internet Routing Table: 2271 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: 8772 Number of LACNIC addresses announced to Internet: 176683008 Equivalent to 10 /8s, 135 /16s and 248 /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: 29252 Total AfriNIC prefixes after maximum aggregation: 5757 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 37427 Unique aggregates announced from the AfriNIC address blocks: 12247 AfriNIC Region origin ASes present in the Internet Routing Table: 1730 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 604 AfriNIC Region transit ASes present in the Internet Routing Table: 337 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: 1079 Number of AfriNIC addresses announced to Internet: 107773952 Equivalent to 6 /8s, 108 /16s and 128 /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 9526 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5751 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3546 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3443 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3369 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2903 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2746 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2363 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2308 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 8196 10776 2878 AMAZON-02, US 11492 4537 300 622 CABLEONE, US 7155 3966 279 48 VIASAT-SP-BACKBONE, US 22773 3621 3078 290 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3149 1580 2333 AKAMAI-AS, US 749 3035 50518 2302 DNIC-AS-00749, US 396982 2626 3588 360 GOOGLE-CLOUD-PLATFORM, US 7018 2563 24117 1572 ATT-INTERNET4, US 30036 2494 360 525 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 7263 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4064 3399 167 AKAMAI-ASN1, NL 8551 3889 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2929 2292 911 ROSTELECOM-AS, RU 9009 2680 253 1395 M247, RO 34984 2267 359 609 TELLCOM-AS, TR 6849 2135 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1606 100 26 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 11206 3343 577 Uninet S.A. de C.V., MX 10620 3499 506 850 Telmex Colombia S.A., CO 13999 2306 368 607 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1331 2325 235 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 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1102 180 450 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 1557 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1020 67 48 ORANGE-COTE-IVOIRE, CI 36935 844 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 510 52 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 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 11206 3343 577 Uninet S.A. de C.V., MX 9808 9526 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8196 10776 2878 AMAZON-02, US 12479 7263 1705 149 UNI2-AS, ES 7545 5751 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4537 300 622 CABLEONE, US 20940 4064 3399 167 AKAMAI-ASN1, NL 7155 3966 279 48 VIASAT-SP-BACKBONE, US 8551 3889 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 9526 9478 CHINAMOBILE-CN China Mobile Communications Grou 12479 7263 7114 UNI2-AS, ES 16509 8196 5318 AMAZON-02, US 7545 5751 5062 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3966 3918 VIASAT-SP-BACKBONE, US 11492 4537 3915 CABLEONE, US 20940 4064 3897 AKAMAI-ASN1, NL 8551 3889 3852 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3546 3481 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., 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 /15:2071 /16:13470 /17:8244 /18:13821 /19:25042 /20:43731 /21:51447 /22:109433 /23:97606 /24:547851 /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 6323 7263 UNI2-AS, ES 8151 5174 11206 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3445 4537 CABLEONE, US 8551 3361 3889 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3040 3966 VIASAT-SP-BACKBONE, US 22773 2680 3621 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2053 3499 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) ---------------------------------------------- 1:1671 2:1232 3:170 4:5 5:4482 6:121 7:6 8:1527 9:1 11:172 12:1575 13:393 14:2302 15:299 16:137 17:371 18:415 20:248 21:4 22:188 23:6170 24:2597 25:6 27:2561 29:19 31:2513 32:90 34:10 35:107 36:1914 37:4660 38:4395 39:805 40:151 41:3964 42:983 43:2338 44:308 45:16540 46:4226 47:374 49:1730 50:1829 51:571 52:1595 54:389 55:758 56:8 57:92 58:1760 59:1127 60:981 61:2443 62:2633 63:1929 64:5687 65:2314 66:4933 67:3044 68:1374 69:4145 70:1253 71:679 72:2970 74:2597 75:1463 76:611 77:2424 78:1862 79:3167 80:2096 81:1743 82:1483 83:1274 84:1531 85:3003 86:753 87:1987 88:1244 89:3629 90:617 91:7678 92:2041 93:2584 94:3596 95:4013 96:1327 97:336 98:1157 99:746 100:74 101:1069 102:2665 103:31301 104:4628 105:483 106:826 107:2552 108:1006 109:4405 110:2085 111:3202 112:2064 113:1513 114:1623 115:2082 116:1901 117:2564 118:2292 119:1981 120:1770 121:1078 122:2616 123:2171 124:1567 125:2530 128:1331 129:1061 130:1005 131:1996 132:840 133:423 134:1904 135:301 136:871 137:1079 138:2569 139:1550 140:1225 141:1453 142:1441 143:1492 144:1161 145:350 146:1943 147:1567 148:2341 149:1965 150:878 151:1153 152:1843 153:566 154:4296 155:1416 156:1719 157:1304 158:1045 159:2273 160:2542 161:1520 162:3549 163:1549 164:1606 165:1724 166:921 167:1733 168:3882 169:937 170:4605 171:863 172:3543 173:2938 174:1015 175:1172 176:3678 177:4598 178:3636 179:2149 180:2454 181:3433 182:3328 183:1938 184:2350 185:20163 186:4673 187:3927 188:4073 189:3547 190:9150 191:1435 192:10933 193:8845 194:7308 195:5142 196:3088 197:2381 198:5962 199:6095 200:7871 201:5866 202:10597 203:10256 204:4628 205:3546 206:3969 207:3444 208:4093 209:4884 210:4359 211:2443 212:4107 213:3544 214:1081 215:60 216:6634 217:2683 218:1313 219:474 220:2015 221:978 222:804 223:2152 End of report