IPv4 R&E Routing Table Report 18:35 GMT Wed 22 Feb, 2023 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 928261 Prefixes after maximum aggregation (per Origin AS): 346338 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 445737 Number of IPv4 prefixes with a valid ROA: 384726 Number of IPv4 prefixes with an invalid ROA: 1291 Number of IPv4 prefixes with no ROA: 542244 Total ASes present in the Internet Routing Table: 74211 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 63608 Origin ASes announcing only one prefix: 25662 Transit ASes present in the Internet Routing Table: 10603 Transit-only ASes present in the Internet Routing Table: 457 Paths with bogon ASNs present in the IPv4 Routing Table: 133 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 250 Max AS path prepend of ASN ( 51156) 246 Prefixes from unregistered ASNs in the Routing Table: 1133 Number of instances of unregistered ASNs: 1141 Number of 32-bit ASNs allocated by the RIRs: 41235 Number of 32-bit ASNs visible in the Routing Table: 34244 Prefixes from 32-bit ASNs in the Routing Table: 174527 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 623 Number of addresses announced to Internet: 3063265280 Equivalent to 182 /8s, 149 /16s and 184 /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: 316037 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237082 Total APNIC prefixes after maximum aggregation: 68326 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 231953 Unique aggregates announced from the APNIC address blocks: 97641 APNIC Region origin ASes present in the Internet Routing Table: 13287 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 3855 APNIC Region transit ASes present in the Internet Routing Table: 1787 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8595 Number of APNIC addresses announced to Internet: 773303296 Equivalent to 46 /8s, 23 /16s and 172 /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: 269389 Total ARIN prefixes after maximum aggregation: 121998 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 271716 Unique aggregates announced from the ARIN address blocks: 130224 ARIN Region origin ASes present in the Internet Routing Table: 19074 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1972 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4745 Number of ARIN addresses announced to Internet: 1286309376 Equivalent to 76 /8s, 171 /16s and 134 /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: 260563 Total RIPE prefixes after maximum aggregation: 121169 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 256853 Unique aggregates announced from the RIPE address blocks: 156411 RIPE Region origin ASes present in the Internet Routing Table: 28274 RIPE Prefixes per ASN: 9.08 RIPE Region origin ASes announcing only one prefix: 12006 RIPE Region transit ASes present in the Internet Routing Table: 3996 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 250 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11055 Number of RIPE addresses announced to Internet: 718466560 Equivalent to 42 /8s, 210 /16s and 238 /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: 128040 Total LACNIC prefixes after maximum aggregation: 28236 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 127124 Unique aggregates announced from the LACNIC address blocks: 48890 LACNIC Region origin ASes present in the Internet Routing Table: 10962 LACNIC Prefixes per ASN: 11.60 LACNIC Region origin ASes announcing only one prefix: 2272 LACNIC Region transit ASes present in the Internet Routing Table: 2297 Average LACNIC Region AS path length visible: 6.3 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8768 Number of LACNIC addresses announced to Internet: 176418304 Equivalent to 10 /8s, 131 /16s and 238 /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: 32054 Total AfriNIC prefixes after maximum aggregation: 5814 AfriNIC Deaggregation factor: 5.51 Prefixes being announced from the AfriNIC address blocks: 39992 Unique aggregates announced from the AfriNIC address blocks: 12107 AfriNIC Region origin ASes present in the Internet Routing Table: 1739 AfriNIC Prefixes per ASN: 23.00 AfriNIC Region origin ASes announcing only one prefix: 560 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1081 Number of AfriNIC addresses announced to Internet: 108414976 Equivalent to 6 /8s, 118 /16s and 72 /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 9454 8883 49 CHINAMOBILE-CN China Mobile Communicati 7545 5821 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3667 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3459 1872 93 VNPT-AS-VN VNPT Corp, VN 7713 3409 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2792 499 240 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 45090 2166 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2140 439 210 TATACOMM-AS TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 7937 10721 2920 AMAZON-02, US 11492 4526 300 620 CABLEONE, US 7155 3957 270 43 VIASAT-SP-BACKBONE, US 22773 3649 3047 285 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3315 1664 2433 AKAMAI-AS, US 749 3036 50571 2303 DNIC-AS-00749, US 396982 2609 3586 355 GOOGLE-CLOUD-PLATFORM, US 7018 2582 24139 1577 ATT-INTERNET4, US 30036 2533 363 425 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/RENU/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 4056 3399 173 AKAMAI-ASN1, NL 8551 3898 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2292 911 ROSTELECOM-AS, RU 9009 2681 254 1392 M247, RO 34984 2264 359 608 TELLCOM-AS, TR 6849 2170 339 19 UKRTELNET, UA 58224 1846 949 546 TCI, IR 13188 1607 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11150 3348 581 Uninet S.A. de C.V., MX 10620 3477 507 862 Telmex Colombia S.A., CO 11830 2263 369 65 Instituto Costarricense de Electricidad 13999 2263 377 604 Mega Cable, S.A. de C.V., MX 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 1097 180 457 Techtel LMDS Comunicaciones Interactiva 26615 1026 2498 45 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/RENU/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 37457 838 325 49 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 15399 514 53 40 WANANCHI-, KE 24757 497 73 5 EthioNet-AS, ET Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11150 3348 581 Uninet S.A. de C.V., MX 9808 9454 8883 49 CHINAMOBILE-CN China Mobile Communicati 16509 7937 10721 2920 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 4526 300 620 CABLEONE, US 20940 4056 3399 173 AKAMAI-ASN1, NL 7155 3957 270 43 VIASAT-SP-BACKBONE, US 8551 3898 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9454 9405 CHINAMOBILE-CN China Mobile Communications Grou 12479 7074 6928 UNI2-AS, ES 7545 5821 5127 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7937 5017 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3957 3914 VIASAT-SP-BACKBONE, US 11492 4526 3906 CABLEONE, US 20940 4056 3883 AKAMAI-ASN1, NL 8551 3898 3861 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3667 3646 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/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/RENU/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/RENU/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: 36944 UBUNTU-UNICAST-AS, MW 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 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/RENU/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:38 /11:103 /12:300 /13:579 /14:1210 /15:2100 /16:13548 /17:8336 /18:14027 /19:25226 /20:43833 /21:52237 /22:110420 /23:100709 /24:555566 /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 5158 11150 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3442 4526 CABLEONE, US 8551 3370 3898 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 3034 3957 VIASAT-SP-BACKBONE, US 22773 2702 3649 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2190 2533 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2022 3477 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1656 2:1225 3:168 4:7 5:4432 6:115 7:5 8:1552 9:1 11:172 12:1580 13:380 14:2343 15:291 16:107 17:366 18:389 20:253 21:4 22:188 23:6089 24:2565 25:4 27:2602 29:19 31:2534 32:112 34:8 35:106 36:1916 37:4637 38:4291 39:841 40:153 41:4449 42:1055 43:2344 44:307 45:17541 46:4219 47:377 49:1741 50:1839 51:387 52:1582 54:397 55:868 56:8 57:96 58:1740 59:1117 60:983 61:2507 62:2713 63:1948 64:5683 65:2335 66:5026 67:3074 68:1379 69:4179 70:1258 71:668 72:3061 74:2618 75:1465 76:600 77:2513 78:1914 79:3173 80:2083 81:1757 82:1501 83:1255 84:1522 85:3026 86:756 87:2061 88:1280 89:3666 90:613 91:7779 92:2023 93:2605 94:3581 95:3977 96:1335 97:347 98:1167 99:744 100:75 101:1300 102:2969 103:31138 104:4545 105:900 106:832 107:2537 108:925 109:4418 110:2083 111:3281 112:2043 113:1524 114:1625 115:2092 116:1893 117:2564 118:2298 119:1959 120:1742 121:1062 122:2617 123:2176 124:1557 125:2344 128:1350 129:1136 130:1015 131:2169 132:845 133:413 134:1912 135:336 136:864 137:957 138:2844 139:1545 140:1186 141:1477 142:1428 143:1557 144:1214 145:352 146:1900 147:1567 148:2298 149:1920 150:882 151:1145 152:1961 153:568 154:4045 155:1425 156:1696 157:1307 158:1013 159:2262 160:2639 161:1450 162:3574 163:1552 164:1625 165:1718 166:850 167:1744 168:4106 169:951 170:4962 171:883 172:3518 173:2994 174:1036 175:1184 176:3781 177:5983 178:3645 179:2546 180:2385 181:3463 182:3241 183:1914 184:2360 185:20252 186:5098 187:4546 188:4261 189:3973 190:9263 191:1870 192:10982 193:8848 194:7297 195:5208 196:3190 197:2788 198:5956 199:6138 200:8029 201:6122 202:10470 203:10165 204:4608 205:3525 206:3919 207:3435 208:4098 209:4850 210:4258 211:2401 212:4139 213:3584 214:1092 215:55 216:6640 217:2741 218:1280 219:406 220:1764 221:975 222:668 223:2127 End of report