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 21 May, 2022 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: 913067 Prefixes after maximum aggregation (per Origin AS): 338382 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 432872 Number of IPv4 prefixes with a valid ROA: 680895 Number of IPv4 prefixes with an invalid ROA: 5635 Number of IPv4 prefixes with no ROA: 1139604 Total ASes present in the Internet Routing Table: 73216 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 63018 Origin ASes announcing only one prefix: 25339 Transit ASes present in the Internet Routing Table: 10198 Transit-only ASes present in the Internet Routing Table: 358 Average AS path length visible in the Internet Routing Table: 6.0 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 936 Number of instances of unregistered ASNs: 939 Number of 32-bit ASNs allocated by the RIRs: 39445 Number of 32-bit ASNs visible in the Routing Table: 32734 Prefixes from 32-bit ASNs in the Routing Table: 160713 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 557 Number of addresses announced to Internet: 3064705536 Equivalent to 182 /8s, 171 /16s and 178 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 314527 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232037 Total APNIC prefixes after maximum aggregation: 66418 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 227274 Unique aggregates announced from the APNIC address blocks: 94985 APNIC Region origin ASes present in the Internet Routing Table: 12639 APNIC Prefixes per ASN: 17.98 APNIC Region origin ASes announcing only one prefix: 3595 APNIC Region transit ASes present in the Internet Routing Table: 1739 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7871 Number of APNIC addresses announced to Internet: 773804288 Equivalent to 46 /8s, 31 /16s and 81 /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: 263354 Total ARIN prefixes after maximum aggregation: 120242 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263349 Unique aggregates announced from the ARIN address blocks: 126066 ARIN Region origin ASes present in the Internet Routing Table: 19055 ARIN Prefixes per ASN: 13.82 ARIN Region origin ASes announcing only one prefix: 6924 ARIN Region transit ASes present in the Internet Routing Table: 1899 Average ARIN Region AS path length visible: 5.8 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4499 Number of ARIN addresses announced to Internet: 1292342016 Equivalent to 77 /8s, 7 /16s and 147 /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: 261907 Total RIPE prefixes after maximum aggregation: 117947 RIPE Deaggregation factor: 2.22 Prefixes being announced from the RIPE address blocks: 259010 Unique aggregates announced from the RIPE address blocks: 151072 RIPE Region origin ASes present in the Internet Routing Table: 28185 RIPE Prefixes per ASN: 9.19 RIPE Region origin ASes announcing only one prefix: 12000 RIPE Region transit ASes present in the Internet Routing Table: 3889 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10736 Number of RIPE addresses announced to Internet: 714195456 Equivalent to 42 /8s, 145 /16s and 194 /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: 124560 Total LACNIC prefixes after maximum aggregation: 27526 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 124277 Unique aggregates announced from the LACNIC address blocks: 48540 LACNIC Region origin ASes present in the Internet Routing Table: 10955 LACNIC Prefixes per ASN: 11.34 LACNIC Region origin ASes announcing only one prefix: 2298 LACNIC Region transit ASes present in the Internet Routing Table: 2198 Average LACNIC Region AS path length visible: 6.3 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8660 Number of LACNIC addresses announced to Internet: 176299776 Equivalent to 10 /8s, 130 /16s and 31 /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: 30273 Total AfriNIC prefixes after maximum aggregation: 5551 AfriNIC Deaggregation factor: 5.45 Prefixes being announced from the AfriNIC address blocks: 38600 Unique aggregates announced from the AfriNIC address blocks: 11753 AfriNIC Region origin ASes present in the Internet Routing Table: 1636 AfriNIC Prefixes per ASN: 23.59 AfriNIC Region origin ASes announcing only one prefix: 522 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 968 Number of AfriNIC addresses announced to Internet: 107757824 Equivalent to 6 /8s, 108 /16s and 65 /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 9150 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5896 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3591 1330 19 VIETEL-AS-AP Viettel Group, VN 45899 3511 1880 56 VNPT-AS-VN VNPT Corp, VN 7713 3499 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2412 499 240 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2120 438 204 TATACOMM-AS TATA Communications formerl 24560 2046 853 380 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 6462 10356 2778 AMAZON-02, US 11492 4516 299 649 CABLEONE, US 22773 3906 3051 349 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3548 1828 2536 AKAMAI-AS, US 6327 3436 1318 61 SHAW, CA 749 2881 50795 2138 DNIC-AS-00749, US 30036 2631 374 141 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2465 4961 421 CENTURYLINK-US-LEGACY-QWEST, US 20115 2250 3050 492 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 9121 6897 1692 17 TTNET, TR 12479 6801 1730 150 UNI2-AS, ES 8551 3998 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3981 3360 197 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2961 355 21 UKRTELNET, UA 12389 2921 2273 907 ROSTELECOM-AS, RU 9009 2485 249 1290 M247, GB 34984 2242 357 627 TELLCOM-AS, TR 47331 1884 293 1440 TTNET, TR 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 10638 3396 560 Uninet S.A. de C.V., MX 10620 3472 518 743 Telmex Colombia S.A., CO 11830 2437 369 63 Instituto Costarricense de Electricidad 13999 1826 300 469 Mega Cable, S.A. de C.V., MX 6503 1448 355 528 Axtel, S.A.B. de C.V., MX 28573 1370 2333 255 CLARO S.A., BR 3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 1025 192 444 Techtel LMDS Comunicaciones Interactiva 11172 956 133 61 Alestra, S. de R.L. de C.V., MX 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 24863 1653 393 21 LINKdotNET-AS, EG 24835 1466 497 30 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 945 65 62 ORANGE-COTE-IVOIRE, CI 36935 675 520 42 Vodafone-, EG 37457 618 327 56 Telkom-Internet, ZA 6713 611 1863 34 IAM-AS, MA 15399 495 50 28 WANANCHI-, KE 37342 464 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 10638 3396 560 Uninet S.A. de C.V., MX 9808 9150 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6897 1692 17 TTNET, TR 12479 6801 1730 150 UNI2-AS, ES 16509 6462 10356 2778 AMAZON-02, US 7545 5896 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4516 299 649 CABLEONE, US 8551 3998 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3981 3360 197 AKAMAI-ASN1, NL 22773 3906 3051 349 ASN-CXA-ALL-CCI-22773-RDC, 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 9150 9115 CHINAMOBILE-CN China Mobile Communications Grou 9121 6897 6880 TTNET, TR 12479 6801 6651 UNI2-AS, ES 7545 5896 5202 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3998 3959 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4516 3867 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3981 3784 AKAMAI-ASN1, NL 16509 6462 3684 AMAZON-02, 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, 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 17033 UNALLOCATED 8.48.225.0/24 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 6939 HURRICANE, US 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 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 16637 MTNNS-AS, ZA 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 16637 MTNNS-AS, ZA 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 16637 MTNNS-AS, ZA 23.131.8.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.8.0/24 Transit: 5511 OPENTRANSIT, FR 23.131.88.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.88.0/24 Transit: 5511 OPENTRANSIT, FR 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 /10:40 /11:100 /12:304 /13:588 /14:1214 /15:2119 /16:13592 /17:8347 /18:14109 /19:25233 /20:43511 /21:52601 /22:109223 /23:99458 /24:542599 /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 9121 6016 6897 TTNET, TR 12479 5777 6801 UNI2-AS, ES 8151 4356 10638 Uninet S.A. de C.V., MX 8551 3464 3998 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4516 CABLEONE, US 6327 3249 3436 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2914 3906 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2806 2961 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1924 2:1027 3:154 4:8 5:3945 6:104 7:5 8:1570 9:1 11:172 12:1706 13:304 14:2373 15:201 16:41 17:384 18:161 20:216 21:4 22:188 23:5687 24:2362 25:6 27:2657 29:19 31:2456 32:96 34:4 35:78 36:1782 37:4479 38:2903 39:707 40:162 41:4417 42:1096 43:2199 44:294 45:17049 46:4197 47:329 49:1697 50:2167 51:109 52:1437 54:369 55:746 56:8 57:68 58:1768 59:1132 60:948 61:2278 62:2609 63:1962 64:5555 65:2355 66:4960 67:3015 68:1223 69:4185 70:1330 71:693 72:3122 74:2676 75:1402 76:579 77:2282 78:3983 79:3121 80:2019 81:1770 82:1501 83:1217 84:1363 85:3695 86:708 87:2073 88:2754 89:3338 90:532 91:7729 92:2028 93:2608 94:3549 95:4786 96:1309 97:350 98:996 99:737 100:76 101:1275 102:2287 103:29271 104:4411 105:752 106:872 107:2521 108:848 109:4283 110:2018 111:3246 112:2030 113:1513 114:1517 115:2098 116:1890 117:2522 118:2339 119:1840 120:1668 121:1046 122:2587 123:2138 124:1542 125:2087 128:1246 129:1164 130:994 131:2236 132:822 133:378 134:1900 135:298 136:884 137:873 138:2705 139:1502 140:863 141:1411 142:1296 143:1508 144:1204 145:347 146:1821 147:1503 148:2233 149:1729 150:864 151:1081 152:1856 153:540 154:3552 155:1420 156:1852 157:1238 158:1050 159:2181 160:2587 161:1279 162:3494 163:1293 164:1689 165:1647 166:721 167:1721 168:4043 169:870 170:4854 171:832 172:3188 173:3165 174:1023 175:1160 176:3644 177:5762 178:3579 179:2475 180:2286 181:3049 182:3215 183:1933 184:2375 185:19671 186:4749 187:4340 188:3992 189:3648 190:8989 191:1722 192:11020 193:8669 194:7048 195:5051 196:3193 197:2789 198:6014 199:6055 200:7829 201:5924 202:10292 203:10236 204:4550 205:3445 206:3797 207:3387 208:4045 209:4700 210:4170 211:2366 212:4097 213:3481 214:1150 215:67 216:6520 217:2780 218:1263 219:410 220:1940 221:981 222:670 223:2129 End of report