IPv4 R&E Routing Table Report 21:10 GMT Tue 28 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: 914739 Prefixes after maximum aggregation (per Origin AS): 347349 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447509 Number of IPv4 prefixes with a valid ROA: 381991 Number of IPv4 prefixes with an invalid ROA: 2495 Number of IPv4 prefixes with no ROA: 530253 Total ASes present in the Internet Routing Table: 74270 Prefixes per ASN: 12.32 Origin-only ASes present in the Internet Routing Table: 63802 Origin ASes announcing only one prefix: 26172 Transit ASes present in the Internet Routing Table: 10468 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 65 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: 1090 Number of instances of unregistered ASNs: 1096 Number of 32-bit ASNs allocated by the RIRs: 41534 Number of 32-bit ASNs visible in the Routing Table: 34392 Prefixes from 32-bit ASNs in the Routing Table: 169082 Number of bogon 32-bit ASNs visible in the Routing Table: 73 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 536 Number of addresses announced to Internet: 3061670656 Equivalent to 182 /8s, 125 /16s and 99 /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: 306005 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240095 Total APNIC prefixes after maximum aggregation: 68673 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234691 Unique aggregates announced from the APNIC address blocks: 98059 APNIC Region origin ASes present in the Internet Routing Table: 13385 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3926 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: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8683 Number of APNIC addresses announced to Internet: 773317120 Equivalent to 46 /8s, 23 /16s and 226 /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: 122037 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270510 Unique aggregates announced from the ARIN address blocks: 130323 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: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1930 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: 4765 Number of ARIN addresses announced to Internet: 1285448704 Equivalent to 76 /8s, 158 /16s and 100 /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: 258410 Total RIPE prefixes after maximum aggregation: 121717 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254636 Unique aggregates announced from the RIPE address blocks: 157401 RIPE Region origin ASes present in the Internet Routing Table: 28289 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: 3911 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: 718233088 Equivalent to 42 /8s, 207 /16s and 94 /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: 117603 Total LACNIC prefixes after maximum aggregation: 28360 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116915 Unique aggregates announced from the LACNIC address blocks: 49050 LACNIC Region origin ASes present in the Internet Routing Table: 10957 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2289 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8756 Number of LACNIC addresses announced to Internet: 176561408 Equivalent to 10 /8s, 134 /16s and 29 /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: 29285 Total AfriNIC prefixes after maximum aggregation: 5780 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 37450 Unique aggregates announced from the AfriNIC address blocks: 12273 AfriNIC Region origin ASes present in the Internet Routing Table: 1731 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: 333 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: 107726592 Equivalent to 6 /8s, 107 /16s and 199 /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 3545 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3454 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3369 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2868 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2749 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 8135 10766 2909 AMAZON-02, US 11492 4533 300 623 CABLEONE, US 7155 3964 279 46 VIASAT-SP-BACKBONE, US 22773 3625 3079 295 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3146 1578 2335 AKAMAI-AS, US 749 3036 50520 2303 DNIC-AS-00749, US 396982 2625 3588 360 GOOGLE-CLOUD-PLATFORM, US 7018 2571 24117 1578 ATT-INTERNET4, US 30036 2499 360 505 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 7187 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4053 3399 166 AKAMAI-ASN1, NL 8551 3887 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2927 2292 911 ROSTELECOM-AS, RU 9009 2679 254 1401 M247, RO 34984 2268 359 610 TELLCOM-AS, TR 6849 2114 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 11200 3341 573 Uninet S.A. de C.V., MX 10620 3499 506 850 Telmex Colombia S.A., CO 13999 2303 367 611 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 1567 393 19 LINKdotNET-AS, EG 24835 1552 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1017 67 48 ORANGE-COTE-IVOIRE, CI 36935 880 520 42 Vodafone-, EG 6713 550 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 11200 3341 573 Uninet S.A. de C.V., MX 9808 9523 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8135 10766 2909 AMAZON-02, US 12479 7187 1705 149 UNI2-AS, ES 7545 5755 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4533 300 623 CABLEONE, US 20940 4053 3399 166 AKAMAI-ASN1, NL 7155 3964 279 46 VIASAT-SP-BACKBONE, US 8551 3887 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 7187 7038 UNI2-AS, ES 16509 8135 5226 AMAZON-02, US 7545 5755 5064 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3964 3918 VIASAT-SP-BACKBONE, US 11492 4533 3910 CABLEONE, US 20940 4053 3887 AKAMAI-ASN1, NL 8551 3887 3850 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 /15:2074 /16:13473 /17:8241 /18:13821 /19:25052 /20:43745 /21:51467 /22:109448 /23:97698 /24:547475 /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 6249 7187 UNI2-AS, ES 8151 5167 11200 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3441 4533 CABLEONE, US 8551 3359 3887 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3964 VIASAT-SP-BACKBONE, US 22773 2679 3625 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2499 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) ---------------------------------------------- 1:1669 2:1231 3:170 4:5 5:4455 6:122 7:6 8:1527 9:1 11:172 12:1577 13:392 14:2309 15:296 16:136 17:368 18:403 20:248 21:4 22:188 23:6163 24:2594 25:6 27:2567 29:19 31:2513 32:95 34:10 35:106 36:1912 37:4651 38:4406 39:805 40:151 41:3965 42:984 43:2326 44:308 45:16531 46:4222 47:374 49:1731 50:1831 51:570 52:1586 54:388 55:766 56:8 57:93 58:1762 59:1138 60:981 61:2438 62:2639 63:1919 64:5686 65:2312 66:4937 67:3044 68:1370 69:4156 70:1253 71:678 72:2972 74:2599 75:1460 76:611 77:2427 78:1860 79:3166 80:2085 81:1735 82:1497 83:1271 84:1538 85:3001 86:748 87:1971 88:1239 89:3624 90:615 91:7693 92:2036 93:2568 94:3590 95:3986 96:1328 97:336 98:1158 99:746 100:74 101:1066 102:2667 103:31282 104:4608 105:474 106:826 107:2556 108:988 109:4407 110:2082 111:3204 112:2065 113:1509 114:1622 115:2082 116:1903 117:2557 118:2291 119:1984 120:1755 121:1080 122:2607 123:2172 124:1565 125:2497 128:1329 129:1065 130:1008 131:2000 132:835 133:423 134:1901 135:300 136:863 137:1080 138:2570 139:1531 140:1222 141:1451 142:1442 143:1482 144:1170 145:356 146:1946 147:1572 148:2342 149:1962 150:875 151:1151 152:1844 153:567 154:4284 155:1415 156:1712 157:1291 158:1047 159:2274 160:2536 161:1522 162:3546 163:1556 164:1603 165:1703 166:896 167:1731 168:3881 169:935 170:4601 171:867 172:3540 173:2938 174:1013 175:1172 176:3689 177:4605 178:3628 179:2156 180:2449 181:3435 182:3325 183:1939 184:2349 185:20140 186:4652 187:3934 188:4065 189:3590 190:9147 191:1441 192:10945 193:8850 194:7292 195:5150 196:3098 197:2377 198:5952 199:6101 200:7886 201:5873 202:10591 203:10246 204:4626 205:3538 206:3957 207:3448 208:4082 209:4883 210:4362 211:2443 212:4113 213:3539 214:1084 215:60 216:6627 217:2676 218:1313 219:474 220:2014 221:978 222:803 223:2144 End of report