IPv4 R&E Routing Table Report 21:10 GMT Sat 01 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: 915109 Prefixes after maximum aggregation (per Origin AS): 347400 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447842 Number of IPv4 prefixes with a valid ROA: 382423 Number of IPv4 prefixes with an invalid ROA: 2581 Number of IPv4 prefixes with no ROA: 530105 Total ASes present in the Internet Routing Table: 74280 Prefixes per ASN: 12.32 Origin-only ASes present in the Internet Routing Table: 63800 Origin ASes announcing only one prefix: 26164 Transit ASes present in the Internet Routing Table: 10480 Transit-only ASes present in the Internet Routing Table: 453 Paths with bogon ASNs present in the IPv4 Routing Table: 60 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: 41577 Number of 32-bit ASNs visible in the Routing Table: 34415 Prefixes from 32-bit ASNs in the Routing Table: 169269 Number of bogon 32-bit ASNs visible in the Routing Table: 60 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 497 Number of addresses announced to Internet: 3061726976 Equivalent to 182 /8s, 126 /16s and 63 /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: 306351 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240171 Total APNIC prefixes after maximum aggregation: 68712 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234782 Unique aggregates announced from the APNIC address blocks: 98143 APNIC Region origin ASes present in the Internet Routing Table: 13384 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3930 APNIC Region transit ASes present in the Internet Routing Table: 1808 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: 8685 Number of APNIC addresses announced to Internet: 773420032 Equivalent to 46 /8s, 25 /16s and 116 /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: 268256 Total ARIN prefixes after maximum aggregation: 121947 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270569 Unique aggregates announced from the ARIN address blocks: 130428 ARIN Region origin ASes present in the Internet Routing Table: 19068 ARIN Prefixes per ASN: 14.19 ARIN Region origin ASes announcing only one prefix: 6970 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: 4766 Number of ARIN addresses announced to Internet: 1285435648 Equivalent to 76 /8s, 158 /16s and 49 /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: 258597 Total RIPE prefixes after maximum aggregation: 121810 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254772 Unique aggregates announced from the RIPE address blocks: 157521 RIPE Region origin ASes present in the Internet Routing Table: 28276 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12020 RIPE Region transit ASes present in the Internet Routing Table: 3910 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: 11108 Number of RIPE addresses announced to Internet: 718052864 Equivalent to 42 /8s, 204 /16s and 158 /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: 117751 Total LACNIC prefixes after maximum aggregation: 28389 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117074 Unique aggregates announced from the LACNIC address blocks: 49094 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2274 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: 8774 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: 29236 Total AfriNIC prefixes after maximum aggregation: 5764 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 37414 Unique aggregates announced from the AfriNIC address blocks: 12255 AfriNIC Region origin ASes present in the Internet Routing Table: 1732 AfriNIC Prefixes per ASN: 21.60 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 336 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: 1082 Number of AfriNIC addresses announced to Internet: 107793920 Equivalent to 6 /8s, 108 /16s and 206 /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 3545 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 8199 10776 2886 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 2570 24117 1578 ATT-INTERNET4, US 30036 2500 360 503 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 7260 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4063 3399 166 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 11205 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 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1103 181 448 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 24835 1527 533 30 RAYA-AS, EG 24863 1508 393 19 LINKdotNET-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1020 67 48 ORANGE-COTE-IVOIRE, CI 36935 880 520 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 11205 3343 577 Uninet S.A. de C.V., MX 9808 9526 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8199 10776 2886 AMAZON-02, US 12479 7260 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 4063 3399 166 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 7260 7111 UNI2-AS, ES 16509 8199 5313 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 4063 3897 AKAMAI-ASN1, NL 8551 3889 3852 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3545 3480 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 /16:13469 /17:8241 /18:13821 /19:25039 /20:43742 /21:51444 /22:109398 /23:97736 /24:547903 /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 6320 7260 UNI2-AS, ES 8151 5174 11205 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 2157 2500 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) ---------------------------------------------- 1:1672 2:1233 3:170 4:5 5:4481 6:121 7:6 8:1527 9:1 11:172 12:1575 13:393 14:2300 15:299 16:137 17:371 18:414 20:248 21:4 22:188 23:6170 24:2596 25:6 27:2562 29:19 31:2513 32:94 34:10 35:106 36:1914 37:4661 38:4402 39:805 40:151 41:3970 42:983 43:2339 44:310 45:16567 46:4224 47:374 49:1726 50:1831 51:564 52:1593 54:389 55:711 56:8 57:92 58:1760 59:1124 60:981 61:2443 62:2631 63:1931 64:5680 65:2310 66:4935 67:3042 68:1373 69:4146 70:1253 71:679 72:2972 74:2597 75:1463 76:611 77:2426 78:1862 79:3166 80:2094 81:1740 82:1483 83:1275 84:1532 85:3004 86:750 87:1987 88:1247 89:3618 90:617 91:7680 92:2042 93:2577 94:3597 95:4010 96:1327 97:336 98:1157 99:746 100:74 101:1067 102:2675 103:31299 104:4629 105:483 106:826 107:2551 108:1008 109:4405 110:2086 111:3201 112:2064 113:1516 114:1622 115:2082 116:1901 117:2564 118:2292 119:1980 120:1760 121:1078 122:2615 123:2168 124:1567 125:2530 128:1329 129:1065 130:1010 131:1979 132:841 133:423 134:1906 135:301 136:869 137:1073 138:2569 139:1550 140:1221 141:1453 142:1441 143:1495 144:1162 145:350 146:1945 147:1569 148:2340 149:1965 150:878 151:1153 152:1843 153:566 154:4296 155:1418 156:1715 157:1304 158:1044 159:2273 160:2540 161:1513 162:3548 163:1551 164:1607 165:1721 166:921 167:1735 168:3892 169:937 170:4614 171:862 172:3543 173:2943 174:1015 175:1171 176:3680 177:4617 178:3640 179:2151 180:2455 181:3433 182:3328 183:1938 184:2350 185:20162 186:4678 187:3944 188:4077 189:3587 190:9158 191:1437 192:10922 193:8845 194:7313 195:5145 196:3075 197:2388 198:5962 199:6101 200:7886 201:5868 202:10595 203:10254 204:4624 205:3540 206:3970 207:3448 208:4092 209:4882 210:4361 211:2443 212:4109 213:3541 214:1081 215:60 216:6632 217:2683 218:1313 219:474 220:2015 221:978 222:803 223:2152 End of report