This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from RENU's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 18:35 GMT Sat 26 Feb, 2022 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: 879388 Prefixes after maximum aggregation (per Origin AS): 333569 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 427909 Number of IPv4 prefixes with a valid ROA: 603647 Number of IPv4 prefixes with an invalid ROA: 5245 Number of IPv4 prefixes with no ROA: 1149884 Total ASes present in the Internet Routing Table: 72827 Prefixes per ASN: 12.08 Origin-only ASes present in the Internet Routing Table: 62426 Origin ASes announcing only one prefix: 25718 Transit ASes present in the Internet Routing Table: 10401 Transit-only ASes present in the Internet Routing Table: 389 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 250 Max AS path prepend of ASN ( 21299) 246 Prefixes from unregistered ASNs in the Routing Table: 921 Number of instances of unregistered ASNs: 926 Number of 32-bit ASNs allocated by the RIRs: 38664 Number of 32-bit ASNs visible in the Routing Table: 32186 Prefixes from 32-bit ASNs in the Routing Table: 150468 Number of bogon 32-bit ASNs visible in the Routing Table: 51 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3067398400 Equivalent to 182 /8s, 212 /16s and 201 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 296203 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 226776 Total APNIC prefixes after maximum aggregation: 65431 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 221651 Unique aggregates announced from the APNIC address blocks: 94086 APNIC Region origin ASes present in the Internet Routing Table: 12385 APNIC Prefixes per ASN: 17.90 APNIC Region origin ASes announcing only one prefix: 3554 APNIC Region transit ASes present in the Internet Routing Table: 1706 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7619 Number of APNIC addresses announced to Internet: 773275392 Equivalent to 46 /8s, 23 /16s and 63 /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: 259173 Total ARIN prefixes after maximum aggregation: 119195 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 259212 Unique aggregates announced from the ARIN address blocks: 123604 ARIN Region origin ASes present in the Internet Routing Table: 18985 ARIN Prefixes per ASN: 13.65 ARIN Region origin ASes announcing only one prefix: 6892 ARIN Region transit ASes present in the Internet Routing Table: 1963 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: 4362 Number of ARIN addresses announced to Internet: 1295469568 Equivalent to 77 /8s, 55 /16s and 76 /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: 246888 Total RIPE prefixes after maximum aggregation: 115427 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 243328 Unique aggregates announced from the RIPE address blocks: 149303 RIPE Region origin ASes present in the Internet Routing Table: 28133 RIPE Prefixes per ASN: 8.65 RIPE Region origin ASes announcing only one prefix: 12093 RIPE Region transit ASes present in the Internet Routing Table: 4002 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 250 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10639 Number of RIPE addresses announced to Internet: 713864448 Equivalent to 42 /8s, 140 /16s and 181 /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: 114443 Total LACNIC prefixes after maximum aggregation: 27329 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115112 Unique aggregates announced from the LACNIC address blocks: 48635 LACNIC Region origin ASes present in the Internet Routing Table: 10945 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2213 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: 8632 Number of LACNIC addresses announced to Internet: 176676864 Equivalent to 10 /8s, 135 /16s and 224 /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: 31187 Total AfriNIC prefixes after maximum aggregation: 5493 AfriNIC Deaggregation factor: 5.68 Prefixes being announced from the AfriNIC address blocks: 39572 Unique aggregates announced from the AfriNIC address blocks: 11831 AfriNIC Region origin ASes present in the Internet Routing Table: 1602 AfriNIC Prefixes per ASN: 24.70 AfriNIC Region origin ASes announcing only one prefix: 525 AfriNIC Region transit ASes present in the Internet Routing Table: 311 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 934 Number of AfriNIC addresses announced to Internet: 107791872 Equivalent to 6 /8s, 108 /16s and 198 /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 9071 8885 43 CHINAMOBILE-CN China Mobile Communicati 7545 5879 788 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3611 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3496 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3434 1880 57 VNPT-AS-VN VNPT Corp, VN 9498 2381 475 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2288 11120 606 KIXS-AS-KR Korea Telecom, KR 45090 2192 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2113 429 199 TATACOMM-AS TATA Communications formerl 24560 2049 856 364 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6339 10197 2681 AMAZON-02, US 11492 4444 295 737 CABLEONE, US 22773 3956 3028 367 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3895 263 26 VIASAT-SP-BACKBONE, US 16625 3660 1888 2573 AKAMAI-AS, US 6327 3388 1318 61 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2610 374 156 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2520 4961 427 CENTURYLINK-US-LEGACY-QWEST, US 20115 2261 3042 499 CHARTER-20115, 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 6811 1729 149 UNI2-AS, ES 8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3909 3348 208 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2935 2290 909 ROSTELECOM-AS, RU 9009 2467 249 1284 M247, GB 34984 2235 358 606 TELLCOM-AS, TR 58224 1782 929 579 TCI, IR 25019 1765 1078 166 SAUDINETSTC-AS, SA 13188 1610 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 10359 3417 563 Uninet S.A. de C.V., MX 10620 3472 520 695 Telmex Colombia S.A., CO 11830 2459 369 62 Instituto Costarricense de Electricidad 13999 1687 288 471 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1383 2332 247 CLARO S.A., BR 3816 1252 662 144 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1149 2350 139 TIM SA, BR 6147 1091 369 21 Telefonica del Peru S.A.A., PE 11664 1004 191 447 Techtel LMDS Comunicaciones Interactiva 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 37457 1938 326 60 Telkom-Internet, ZA 24863 1592 393 21 LINKdotNET-AS, EG 24835 1545 523 32 RAYA-AS, EG 36992 1301 1518 262 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 903 64 62 ORANGE-COTE-IVOIRE, CI 36935 730 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 499 50 30 WANANCHI-, KE 37342 469 32 1 MOVITEL, MZ 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 10359 3417 563 Uninet S.A. de C.V., MX 9808 9071 8885 43 CHINAMOBILE-CN China Mobile Communicati 12479 6811 1729 149 UNI2-AS, ES 16509 6339 10197 2681 AMAZON-02, US 7545 5879 788 690 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4444 295 737 CABLEONE, US 8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3956 3028 367 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3909 3348 208 AKAMAI-ASN1, NL 7155 3895 263 26 VIASAT-SP-BACKBONE, US 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 9071 9028 CHINAMOBILE-CN China Mobile Communications Grou 12479 6811 6662 UNI2-AS, ES 7545 5879 5189 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4014 3975 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3869 VIASAT-SP-BACKBONE, US 11492 4444 3707 CABLEONE, US 20940 3909 3701 AKAMAI-ASN1, NL 16509 6339 3658 AMAZON-02, US 7552 3611 3592 VIETEL-AS-AP Viettel Group, VN 22773 3956 3589 ASN-CXA-ALL-CCI-22773-RDC, US 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 46990 UNALLOCATED 8.5.242.0/23 174 COGENT-174, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 3356 LEVEL3, US 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 1103 SURFNET-NL SURFnet, The Netherlands, NL 198.51.100.0/24 29766 CHSPSC-29766, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.132.120.0/24 Origin: 400473 AS-JENCO, US 23.132.120.0/24 Transit: 397095 SETSONLLC, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 174 COGENT-174, US 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 174 COGENT-174, US 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 174 COGENT-174, US 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 /10:39 /11:100 /12:301 /13:589 /14:1200 /15:2065 /16:13575 /17:8339 /18:13847 /19:24932 /20:42034 /21:51157 /22:107496 /23:94070 /24:519615 /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 5782 6811 UNI2-AS, ES 8151 4024 10359 Uninet S.A. de C.V., MX 8551 3479 4014 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3358 4444 CABLEONE, US 6327 3201 3388 SHAW, CA 7155 2988 3895 VIASAT-SP-BACKBONE, US 22773 2947 3956 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2266 2610 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 1954 3472 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) ---------------------------------------------- 1:1683 2:993 3:151 4:9 5:3780 6:103 7:5 8:1546 9:1 11:172 12:1716 13:417 14:2379 15:168 16:41 17:375 18:142 20:170 21:4 22:188 23:5494 24:2309 25:6 27:2604 29:19 31:2424 32:96 34:1 35:62 36:1741 37:3954 38:2595 39:691 40:150 41:4341 42:842 43:2082 44:296 45:16013 46:3889 47:337 49:1667 50:1910 51:107 52:1365 53:1 54:294 55:768 56:8 57:60 58:1655 59:1102 60:956 61:2251 62:2466 63:1938 64:5495 65:2299 66:4882 67:2942 68:1187 69:4142 70:1346 71:671 72:3077 74:2613 75:1517 76:720 77:2134 78:1826 79:3105 80:1971 81:1540 82:1462 83:1206 84:1334 85:2896 86:725 87:1955 88:1025 89:3239 90:509 91:7538 92:1887 93:2588 94:3282 95:3581 96:1310 97:345 98:989 99:862 100:75 101:1028 102:2145 103:28235 104:4233 105:2050 106:852 107:2485 108:783 109:4198 110:2054 111:3203 112:1986 113:1416 114:1488 115:1929 116:1850 117:2515 118:2241 119:1841 120:1626 121:1007 122:2517 123:2081 124:1551 125:2052 128:1296 129:1246 130:917 131:2069 132:794 133:370 134:1926 135:288 136:866 137:867 138:2454 139:1222 140:889 141:1369 142:1267 143:1460 144:1228 145:344 146:1782 147:1464 148:2218 149:1698 150:855 151:1083 152:1840 153:454 154:3635 155:1422 156:1876 157:1227 158:1023 159:2066 160:2437 161:1298 162:3447 163:1229 164:1681 165:1612 166:651 167:1711 168:3715 169:710 170:4412 171:822 172:3032 173:3059 174:1019 175:1124 176:3503 177:4598 178:3109 179:1963 180:2266 181:2930 182:3259 183:1905 184:2389 185:19329 186:4332 187:3585 188:3844 189:3059 190:8834 191:1310 192:11061 193:8539 194:6938 195:4971 196:3082 197:2720 198:6010 199:5994 200:7510 201:5662 202:10150 203:9964 204:4557 205:3362 206:3778 207:3378 208:4012 209:4639 210:4014 211:2340 212:3934 213:3398 214:1154 215:64 216:6398 217:2702 218:1220 219:437 220:1950 221:986 222:687 223:2137 End of report