IPv4 R&E Routing Table Report 21:10 GMT Sat 14 Jan, 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: 917123 Prefixes after maximum aggregation (per Origin AS): 347474 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 445019 Number of IPv4 prefixes with a valid ROA: 377211 Number of IPv4 prefixes with an invalid ROA: 2797 Number of IPv4 prefixes with no ROA: 537115 Total ASes present in the Internet Routing Table: 74035 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63639 Origin ASes announcing only one prefix: 26125 Transit ASes present in the Internet Routing Table: 10396 Transit-only ASes present in the Internet Routing Table: 418 Paths with bogon ASNs present in the IPv4 Routing Table: 55 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 990 Number of instances of unregistered ASNs: 1001 Number of 32-bit ASNs allocated by the RIRs: 41047 Number of 32-bit ASNs visible in the Routing Table: 34008 Prefixes from 32-bit ASNs in the Routing Table: 166437 Number of bogon 32-bit ASNs visible in the Routing Table: 54 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 507 Number of addresses announced to Internet: 3063322112 Equivalent to 182 /8s, 150 /16s and 150 /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: 311509 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237730 Total APNIC prefixes after maximum aggregation: 68401 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232821 Unique aggregates announced from the APNIC address blocks: 97613 APNIC Region origin ASes present in the Internet Routing Table: 13219 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3840 APNIC Region transit ASes present in the Internet Routing Table: 1778 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8487 Number of APNIC addresses announced to Internet: 773443072 Equivalent to 46 /8s, 25 /16s and 206 /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: 267610 Total ARIN prefixes after maximum aggregation: 121990 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 269040 Unique aggregates announced from the ARIN address blocks: 129717 ARIN Region origin ASes present in the Internet Routing Table: 19074 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6995 ARIN Region transit ASes present in the Internet Routing Table: 1937 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4723 Number of ARIN addresses announced to Internet: 1286027776 Equivalent to 76 /8s, 167 /16s and 58 /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: 263967 Total RIPE prefixes after maximum aggregation: 122233 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260844 Unique aggregates announced from the RIPE address blocks: 156196 RIPE Region origin ASes present in the Internet Routing Table: 28213 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10980 Number of RIPE addresses announced to Internet: 719315456 Equivalent to 42 /8s, 223 /16s and 226 /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: 117714 Total LACNIC prefixes after maximum aggregation: 28382 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116906 Unique aggregates announced from the LACNIC address blocks: 48996 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2661 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: 8771 Number of LACNIC addresses announced to Internet: 176091904 Equivalent to 10 /8s, 126 /16s and 243 /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: 29112 Total AfriNIC prefixes after maximum aggregation: 5705 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37004 Unique aggregates announced from the AfriNIC address blocks: 12088 AfriNIC Region origin ASes present in the Internet Routing Table: 1705 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 589 AfriNIC Region transit ASes present in the Internet Routing Table: 320 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1047 Number of AfriNIC addresses announced to Internet: 108155392 Equivalent to 6 /8s, 114 /16s and 82 /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 9351 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5939 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3096 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2702 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4538 2264 4192 73 ERX-CERNET-BKB China Education and Rese 4766 2262 11249 587 KIXS-AS-KR Korea Telecom, KR 45090 2180 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 7768 10701 2925 AMAZON-02, US 11492 4540 301 593 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3690 3062 320 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 63 SHAW, CA 16625 3449 1777 2510 AKAMAI-AS, US 749 3023 50575 2290 DNIC-AS-00749, US 7018 2624 24133 1592 ATT-INTERNET4, US 396982 2576 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2573 369 351 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 6965 1706 146 UNI2-AS, ES 9121 6158 1692 17 TTNET, TR 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4044 3399 175 AKAMAI-ASN1, NL 8551 3908 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 908 ROSTELECOM-AS, RU 9009 2667 254 1368 M247, RO 47331 2664 384 2009 TTNET, TR 34984 2254 358 610 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, 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 10993 3338 591 Uninet S.A. de C.V., MX 10620 3469 507 852 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2207 362 599 Mega Cable, S.A. de C.V., MX 28573 1345 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 742 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1137 186 459 Techtel LMDS Comunicaciones Interactiva 26615 1003 2466 43 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 1538 533 30 RAYA-AS, EG 24863 1479 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1005 67 46 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 526 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 493 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 10993 3338 591 Uninet S.A. de C.V., MX 9808 9351 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7768 10701 2925 AMAZON-02, US 12479 6965 1706 146 UNI2-AS, ES 9121 6158 1692 17 TTNET, TR 7545 5939 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4540 301 593 CABLEONE, US 20940 4044 3399 175 AKAMAI-ASN1, NL 8551 3908 374 38 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 9351 9304 CHINAMOBILE-CN China Mobile Communications Grou 12479 6965 6819 UNI2-AS, ES 9121 6158 6141 TTNET, TR 7545 5939 5241 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7768 4843 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4540 3947 CABLEONE, US 8551 3908 3870 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4044 3869 AKAMAI-ASN1, NL 7155 3895 3862 VIASAT-SP-BACKBONE, US 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 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 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, 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 /11:101 /12:299 /13:582 /14:1200 /15:2076 /16:13501 /17:8290 /18:13887 /19:25057 /20:43505 /21:52134 /22:110076 /23:98234 /24:548112 /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 6025 6965 UNI2-AS, ES 9121 5315 6158 TTNET, TR 8151 5011 10993 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3447 4540 CABLEONE, US 8551 3373 3908 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3523 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2725 3690 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2321 2664 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1629 2:1242 3:168 4:5 5:4118 6:110 7:5 8:1544 9:1 11:172 12:1594 13:372 14:2322 15:285 16:79 17:369 18:416 20:243 21:4 22:188 23:6050 24:2487 25:4 27:2726 29:19 31:2493 32:99 34:8 35:100 36:1863 37:4609 38:4002 39:831 40:155 41:3944 42:1048 43:2319 44:304 45:16421 46:4163 47:381 49:1728 50:1917 51:378 52:1544 54:393 55:861 56:8 57:81 58:1752 59:1170 60:1010 61:2413 62:2635 63:1941 64:5670 65:2323 66:4919 67:3053 68:1342 69:4117 70:1256 71:662 72:2977 74:2589 75:1465 76:597 77:2373 78:3933 79:3166 80:2067 81:1819 82:1474 83:1236 84:1521 85:3732 86:744 87:1933 88:2854 89:3568 90:592 91:7644 92:1987 93:2572 94:3524 95:4875 96:1306 97:346 98:1165 99:740 100:77 101:1063 102:2546 103:30872 104:4605 105:484 106:842 107:2533 108:915 109:4386 110:2052 111:3258 112:2042 113:1483 114:1599 115:2097 116:1851 117:2549 118:2296 119:1896 120:1732 121:1080 122:2591 123:2175 124:1542 125:2323 128:1324 129:1056 130:970 131:2015 132:842 133:405 134:1902 135:298 136:894 137:1065 138:2593 139:1548 140:1030 141:1471 142:1425 143:1444 144:1188 145:350 146:1908 147:1551 148:2300 149:1875 150:869 151:1132 152:1974 153:557 154:3876 155:1404 156:1657 157:1303 158:1047 159:2272 160:2564 161:1431 162:3548 163:1496 164:1692 165:1672 166:828 167:1759 168:3868 169:921 170:4583 171:885 172:3497 173:3014 174:1024 175:1163 176:3720 177:4751 178:3558 179:2140 180:2430 181:3360 182:3238 183:1931 184:2339 185:19987 186:4672 187:3931 188:4088 189:3466 190:9063 191:1422 192:10961 193:8859 194:7233 195:5136 196:3015 197:2406 198:5989 199:6116 200:7739 201:5890 202:10519 203:10239 204:4611 205:3518 206:3865 207:3416 208:4091 209:4826 210:4362 211:2423 212:4108 213:3576 214:1096 215:55 216:6605 217:2644 218:1297 219:474 220:2020 221:972 222:740 223:1972 End of report