IPv4 R&E Routing Table Report 21:10 GMT Thu 25 May, 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: 922349 Prefixes after maximum aggregation (per Origin AS): 349199 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 449800 Number of IPv4 prefixes with a valid ROA: 401949 Number of IPv4 prefixes with an invalid ROA: 2425 Number of IPv4 prefixes with no ROA: 517975 Total ASes present in the Internet Routing Table: 74406 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 63949 Origin ASes announcing only one prefix: 26229 Transit ASes present in the Internet Routing Table: 10457 Transit-only ASes present in the Internet Routing Table: 425 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: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1096 Number of instances of unregistered ASNs: 1156 Number of 32-bit ASNs allocated by the RIRs: 41937 Number of 32-bit ASNs visible in the Routing Table: 34587 Prefixes from 32-bit ASNs in the Routing Table: 171938 Number of bogon 32-bit ASNs visible in the Routing Table: 165 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 582 Number of addresses announced to Internet: 3056827136 Equivalent to 182 /8s, 51 /16s and 123 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 308029 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243022 Total APNIC prefixes after maximum aggregation: 68813 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237148 Unique aggregates announced from the APNIC address blocks: 98164 APNIC Region origin ASes present in the Internet Routing Table: 13398 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 3949 APNIC Region transit ASes present in the Internet Routing Table: 1806 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8716 Number of APNIC addresses announced to Internet: 773070848 Equivalent to 46 /8s, 20 /16s and 32 /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, 131072-153913 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: 269940 Total ARIN prefixes after maximum aggregation: 122691 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272720 Unique aggregates announced from the ARIN address blocks: 130511 ARIN Region origin ASes present in the Internet Routing Table: 19099 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1931 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4796 Number of ARIN addresses announced to Internet: 1280908032 Equivalent to 76 /8s, 89 /16s and 27 /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: 260145 Total RIPE prefixes after maximum aggregation: 122602 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256077 Unique aggregates announced from the RIPE address blocks: 158809 RIPE Region origin ASes present in the Internet Routing Table: 28340 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 3907 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: 11196 Number of RIPE addresses announced to Internet: 717843968 Equivalent to 42 /8s, 201 /16s and 110 /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: 118783 Total LACNIC prefixes after maximum aggregation: 28481 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117988 Unique aggregates announced from the LACNIC address blocks: 49405 LACNIC Region origin ASes present in the Internet Routing Table: 11005 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2284 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8787 Number of LACNIC addresses announced to Internet: 176935168 Equivalent to 10 /8s, 139 /16s and 209 /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: 29363 Total AfriNIC prefixes after maximum aggregation: 5825 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 37833 Unique aggregates announced from the AfriNIC address blocks: 12433 AfriNIC Region origin ASes present in the Internet Routing Table: 1743 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 613 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1092 Number of AfriNIC addresses announced to Internet: 107673600 Equivalent to 6 /8s, 106 /16s and 248 /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 9491 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5715 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4203 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3539 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3365 1851 90 VNPT-AS-VN VNPT Corp, VN 7552 3232 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2962 491 242 BBIL-AP BHARTI Airtel Ltd., IN 4538 2734 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2399 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2299 11252 587 KIXS-AS-KR Korea Telecom, KR 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 8323 10785 2957 AMAZON-02, US 11492 4523 300 609 CABLEONE, US 7155 4042 282 62 VIASAT-SP-BACKBONE, US 22773 3569 3068 269 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 749 3099 54980 2351 DNIC-AS-00749, US 16625 3088 1550 2333 AKAMAI-AS, US 396982 2656 3592 373 GOOGLE-CLOUD-PLATFORM, US 30036 2503 361 433 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2491 24146 1561 ATT-INTERNET4, 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 7302 1706 140 UNI2-AS, ES 39891 4829 286 61 ALJAWWALSTC-AS, SA 20940 4112 3399 165 AKAMAI-ASN1, NL 8551 3878 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2925 2292 910 ROSTELECOM-AS, RU 9009 2736 252 1413 M247, RO 34984 2279 360 602 TELLCOM-AS, TR 6849 1967 307 17 UKRTELNET, UA 58224 1829 945 534 TCI, IR 61317 1632 109 1224 ASDETUK www.heficed.com, US 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 11332 3348 597 Uninet S.A. de C.V., MX 10620 3521 508 855 Telmex Colombia S.A., CO 13999 2326 361 674 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1330 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 339 511 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 438 Techtel LMDS Comunicaciones Interactiva 26615 1038 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 1573 393 19 LINKdotNET-AS, EG 24835 1518 533 29 RAYA-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1030 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 520 54 47 WANANCHI-, KE 24757 491 73 5 EthioNet-AS, ET 37342 484 32 1 MOVITEL, MZ 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 11332 3348 597 Uninet S.A. de C.V., MX 9808 9491 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8323 10785 2957 AMAZON-02, US 12479 7302 1706 140 UNI2-AS, ES 7545 5715 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 286 61 ALJAWWALSTC-AS, SA 11492 4523 300 609 CABLEONE, US 18403 4203 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4112 3399 165 AKAMAI-ASN1, NL 7155 4042 282 62 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 9491 9454 CHINAMOBILE-CN China Mobile Communications Grou 12479 7302 7162 UNI2-AS, ES 16509 8323 5366 AMAZON-02, US 7545 5715 5024 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 4768 ALJAWWALSTC-AS, SA 18403 4203 4178 FPT-AS-AP FPT Telecom Company, VN 7155 4042 3980 VIASAT-SP-BACKBONE, US 20940 4112 3947 AKAMAI-ASN1, NL 11492 4523 3914 CABLEONE, US 8551 3878 3844 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.154.8.0/24 Origin: 52025 PARADOXNETWORKS, GB 23.154.8.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /9:14 /10:39 /11:104 /12:301 /13:582 /14:1198 /15:2092 /16:13477 /17:8210 /18:13816 /19:24978 /20:43577 /21:51289 /22:109579 /23:98245 /24:554831 /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 6382 7302 UNI2-AS, ES 8151 5304 11332 Uninet S.A. de C.V., MX 39891 3628 4829 ALJAWWALSTC-AS, SA 11492 3432 4523 CABLEONE, US 8551 3351 3878 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3525 SHAW, CA 7155 3065 4042 VIASAT-SP-BACKBONE, US 22773 2637 3569 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2074 3521 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) ---------------------------------------------- 1:2145 2:1311 3:181 4:5 5:4547 6:130 7:6 8:1528 9:1 11:172 12:1537 13:384 14:2297 15:303 16:191 17:373 18:426 20:258 21:4 22:188 23:6294 24:2602 25:6 27:2546 29:19 31:2489 32:77 34:21 35:111 36:1949 37:4656 38:4662 39:845 40:151 41:3925 42:1979 43:2364 44:309 45:16506 46:4331 47:362 49:1737 50:1867 51:576 52:1592 54:392 55:841 56:8 57:119 58:1896 59:1119 60:989 61:2497 62:2678 63:1934 64:5687 65:2323 66:5035 67:2933 68:1346 69:4138 70:1205 71:678 72:3001 74:2611 75:1557 76:609 77:2435 78:1822 79:3178 80:2127 81:1787 82:1492 83:1271 84:1531 85:2987 86:764 87:2019 88:1171 89:3721 90:614 91:7748 92:2061 93:2611 94:3621 95:4044 96:1305 97:337 98:1133 99:745 100:70 101:1077 102:2742 103:31405 104:4694 105:504 106:866 107:2583 108:1043 109:4417 110:2095 111:3106 112:2036 113:1743 114:1640 115:2034 116:1888 117:2516 118:2620 119:2014 120:1800 121:1098 122:2601 123:2165 124:1558 125:2482 128:1480 129:1022 130:1025 131:2009 132:852 133:422 134:1917 135:306 136:882 137:1090 138:2608 139:1549 140:1248 141:1429 142:1452 143:1544 144:1159 145:346 146:1958 147:1594 148:2392 149:2245 150:883 151:1152 152:1817 153:569 154:4501 155:1441 156:1806 157:1320 158:1082 159:2241 160:2550 161:1556 162:3531 163:1582 164:1618 165:1786 166:1095 167:1745 168:3897 169:948 170:4580 171:877 172:3572 173:2957 174:1044 175:1185 176:3703 177:4671 178:3588 179:2241 180:2563 181:3501 182:3343 183:2089 184:2341 185:20290 186:4816 187:4012 188:4103 189:3669 190:9171 191:1464 192:10954 193:8879 194:7302 195:5145 196:3117 197:2377 198:5975 199:6098 200:8028 201:5914 202:10601 203:10307 204:4583 205:3687 206:4276 207:3459 208:4102 209:4888 210:4366 211:2459 212:4190 213:3623 214:1079 215:59 216:6658 217:2718 218:1307 219:473 220:1992 221:973 222:781 223:2152 End of report