IPv4 R&E Routing Table Report 21:10 GMT Wed 22 Feb, 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: 910919 Prefixes after maximum aggregation (per Origin AS): 346683 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 446268 Number of IPv4 prefixes with a valid ROA: 374993 Number of IPv4 prefixes with an invalid ROA: 2490 Number of IPv4 prefixes with no ROA: 533436 Total ASes present in the Internet Routing Table: 74164 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 63715 Origin ASes announcing only one prefix: 26118 Transit ASes present in the Internet Routing Table: 10449 Transit-only ASes present in the Internet Routing Table: 444 Paths with bogon ASNs present in the IPv4 Routing Table: 68 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: 1077 Number of instances of unregistered ASNs: 1087 Number of 32-bit ASNs allocated by the RIRs: 41235 Number of 32-bit ASNs visible in the Routing Table: 34222 Prefixes from 32-bit ASNs in the Routing Table: 167576 Number of bogon 32-bit ASNs visible in the Routing Table: 52 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 581 Number of addresses announced to Internet: 3062502912 Equivalent to 182 /8s, 138 /16s and 22 /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: 305024 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238588 Total APNIC prefixes after maximum aggregation: 68567 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233478 Unique aggregates announced from the APNIC address blocks: 97904 APNIC Region origin ASes present in the Internet Routing Table: 13303 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3872 APNIC Region transit ASes present in the Internet Routing Table: 1801 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8593 Number of APNIC addresses announced to Internet: 773414144 Equivalent to 46 /8s, 25 /16s and 93 /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: 267380 Total ARIN prefixes after maximum aggregation: 122036 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 269405 Unique aggregates announced from the ARIN address blocks: 130207 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1936 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4749 Number of ARIN addresses announced to Internet: 1285819904 Equivalent to 76 /8s, 164 /16s and 14 /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: 257226 Total RIPE prefixes after maximum aggregation: 121161 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 253725 Unique aggregates announced from the RIPE address blocks: 156669 RIPE Region origin ASes present in the Internet Routing Table: 28248 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3905 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11038 Number of RIPE addresses announced to Internet: 718399488 Equivalent to 42 /8s, 209 /16s and 232 /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: 117366 Total LACNIC prefixes after maximum aggregation: 28396 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 116606 Unique aggregates announced from the LACNIC address blocks: 48884 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2268 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: 176456960 Equivalent to 10 /8s, 132 /16s and 133 /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: 29282 Total AfriNIC prefixes after maximum aggregation: 5739 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37123 Unique aggregates announced from the AfriNIC address blocks: 12151 AfriNIC Region origin ASes present in the Internet Routing Table: 1722 AfriNIC Prefixes per ASN: 21.56 AfriNIC Region origin ASes announcing only one prefix: 596 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: 1068 Number of AfriNIC addresses announced to Internet: 108062976 Equivalent to 6 /8s, 112 /16s and 233 /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 9458 8883 49 CHINAMOBILE-CN China Mobile Communicati 7545 5821 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3544 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3448 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3248 1865 96 VNPT-AS-VN VNPT Corp, VN 9498 2789 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2357 836 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2298 11250 586 KIXS-AS-KR Korea Telecom, KR 4538 2187 4192 73 ERX-CERNET-BKB China Education and Rese 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 7943 10723 2918 AMAZON-02, US 11492 4514 299 642 CABLEONE, US 7155 3955 270 43 VIASAT-SP-BACKBONE, US 22773 3653 3079 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3298 1653 2425 AKAMAI-AS, US 749 3036 50571 2303 DNIC-AS-00749, US 396982 2609 3586 355 GOOGLE-CLOUD-PLATFORM, US 7018 2581 24139 1576 ATT-INTERNET4, US 30036 2535 363 416 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 7074 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4047 3399 170 AKAMAI-ASN1, NL 8551 3897 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2927 2292 911 ROSTELECOM-AS, RU 9009 2674 254 1388 M247, RO 34984 2264 359 608 TELLCOM-AS, TR 6849 2161 339 19 UKRTELNET, UA 58224 1847 949 546 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 11156 3348 582 Uninet S.A. de C.V., MX 10620 3477 507 862 Telmex Colombia S.A., CO 13999 2264 377 604 Mega Cable, S.A. de C.V., MX 11830 2263 369 65 Instituto Costarricense de Electricidad 28573 1344 2325 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 746 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 452 Techtel LMDS Comunicaciones Interactiva 26615 1026 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 1542 533 30 RAYA-AS, EG 24863 1492 393 19 LINKdotNET-AS, EG 36992 1346 1517 278 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1002 67 53 ORANGE-COTE-IVOIRE, CI 36935 886 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 506 52 40 WANANCHI-, KE 24757 497 73 5 EthioNet-AS, ET 37342 493 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 11156 3348 582 Uninet S.A. de C.V., MX 9808 9458 8883 49 CHINAMOBILE-CN China Mobile Communicati 16509 7943 10723 2918 AMAZON-02, US 12479 7074 1706 146 UNI2-AS, ES 7545 5821 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4514 299 642 CABLEONE, US 20940 4047 3399 170 AKAMAI-ASN1, NL 7155 3955 270 43 VIASAT-SP-BACKBONE, US 8551 3897 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 9458 9409 CHINAMOBILE-CN China Mobile Communications Grou 12479 7074 6928 UNI2-AS, ES 7545 5821 5127 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7943 5025 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3955 3912 VIASAT-SP-BACKBONE, US 20940 4047 3877 AKAMAI-ASN1, NL 11492 4514 3872 CABLEONE, US 8551 3897 3860 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3544 3479 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 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, 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 1618 UNALLOCATED 8.21.143.0/24 136796 CL-JP-AS CORELINK JAPAN, JP 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 /13:580 /14:1200 /15:2075 /16:13478 /17:8278 /18:13822 /19:25048 /20:43574 /21:51333 /22:109504 /23:97249 /24:544307 /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 6131 7074 UNI2-AS, ES 8151 5164 11156 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3430 4514 CABLEONE, US 8551 3369 3897 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 3032 3955 VIASAT-SP-BACKBONE, US 22773 2703 3653 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2192 2535 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2022 3477 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) ---------------------------------------------- 1:1655 2:1241 3:168 4:5 5:4338 6:115 7:5 8:1523 9:1 11:172 12:1581 13:380 14:2338 15:291 16:107 17:366 18:389 20:249 21:4 22:188 23:6087 24:2512 25:4 27:2591 29:19 31:2501 32:107 34:8 35:106 36:1907 37:4603 38:4212 39:839 40:153 41:3996 42:1064 43:2327 44:303 45:16400 46:4158 47:377 49:1729 50:1832 51:386 52:1580 54:398 55:869 56:8 57:89 58:1745 59:1176 60:988 61:2429 62:2617 63:1939 64:5677 65:2317 66:4935 67:3034 68:1350 69:4144 70:1256 71:668 72:2865 74:2596 75:1458 76:606 77:2410 78:1856 79:3171 80:2067 81:1713 82:1497 83:1245 84:1531 85:2992 86:755 87:1970 88:1242 89:3624 90:611 91:7681 92:2022 93:2589 94:3516 95:3968 96:1335 97:348 98:1163 99:743 100:76 101:1067 102:2622 103:31073 104:4526 105:485 106:832 107:2537 108:917 109:4403 110:2086 111:3276 112:2041 113:1499 114:1612 115:2074 116:1857 117:2552 118:2298 119:1945 120:1738 121:1080 122:2605 123:2171 124:1551 125:2390 128:1335 129:1068 130:1001 131:2002 132:834 133:413 134:1847 135:294 136:863 137:1087 138:2554 139:1551 140:1190 141:1474 142:1426 143:1488 144:1212 145:351 146:1895 147:1560 148:2299 149:1910 150:876 151:1143 152:1843 153:564 154:3978 155:1420 156:1693 157:1300 158:1016 159:2268 160:2545 161:1454 162:3557 163:1547 164:1600 165:1686 166:855 167:1741 168:3806 169:926 170:4550 171:870 172:3509 173:2964 174:1034 175:1170 176:3732 177:4599 178:3619 179:2167 180:2431 181:3407 182:3240 183:1933 184:2357 185:20080 186:4644 187:3914 188:4130 189:3542 190:9110 191:1468 192:10947 193:8829 194:7245 195:5129 196:3061 197:2404 198:5952 199:6123 200:7733 201:5872 202:10574 203:10215 204:4608 205:3517 206:3864 207:3441 208:4082 209:4837 210:4381 211:2424 212:4102 213:3566 214:1090 215:55 216:6595 217:2644 218:1305 219:463 220:2022 221:976 222:742 223:2124 End of report