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 09 Jul, 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: 919166 Prefixes after maximum aggregation (per Origin AS): 340131 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 436323 Number of IPv4 prefixes with a valid ROA: 350109 Number of IPv4 prefixes with an invalid ROA: 2869 Number of IPv4 prefixes with no ROA: 566188 Total ASes present in the Internet Routing Table: 73438 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 63110 Origin ASes announcing only one prefix: 25455 Transit ASes present in the Internet Routing Table: 10328 Transit-only ASes present in the Internet Routing Table: 380 Paths with bogon ASNs present in the IPv4 Routing Table: 123 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1019 Number of instances of unregistered ASNs: 1023 Number of 32-bit ASNs allocated by the RIRs: 39767 Number of 32-bit ASNs visible in the Routing Table: 32996 Prefixes from 32-bit ASNs in the Routing Table: 163180 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3067677440 Equivalent to 182 /8s, 217 /16s and 11 /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: 99.6 Total number of prefixes smaller than registry allocations: 317502 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232736 Total APNIC prefixes after maximum aggregation: 66576 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 227808 Unique aggregates announced from the APNIC address blocks: 95605 APNIC Region origin ASes present in the Internet Routing Table: 12744 APNIC Prefixes per ASN: 17.88 APNIC Region origin ASes announcing only one prefix: 3668 APNIC Region transit ASes present in the Internet Routing Table: 1738 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7989 Number of APNIC addresses announced to Internet: 772616448 Equivalent to 46 /8s, 13 /16s and 49 /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: 264877 Total ARIN prefixes after maximum aggregation: 120587 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 265156 Unique aggregates announced from the ARIN address blocks: 127017 ARIN Region origin ASes present in the Internet Routing Table: 19066 ARIN Prefixes per ASN: 13.91 ARIN Region origin ASes announcing only one prefix: 6930 ARIN Region transit ASes present in the Internet Routing Table: 1937 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 38 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4554 Number of ARIN addresses announced to Internet: 1296086528 Equivalent to 77 /8s, 64 /16s and 182 /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: 263114 Total RIPE prefixes after maximum aggregation: 118971 RIPE Deaggregation factor: 2.21 Prefixes being announced from the RIPE address blocks: 260349 Unique aggregates announced from the RIPE address blocks: 152758 RIPE Region origin ASes present in the Internet Routing Table: 28206 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12020 RIPE Region transit ASes present in the Internet Routing Table: 3909 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10764 Number of RIPE addresses announced to Internet: 714242816 Equivalent to 42 /8s, 146 /16s and 123 /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: 125539 Total LACNIC prefixes after maximum aggregation: 27623 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 125261 Unique aggregates announced from the LACNIC address blocks: 48750 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 11.41 LACNIC Region origin ASes announcing only one prefix: 2296 LACNIC Region transit ASes present in the Internet Routing Table: 2237 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: 8699 Number of LACNIC addresses announced to Internet: 176557312 Equivalent to 10 /8s, 134 /16s and 13 /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: 31881 Total AfriNIC prefixes after maximum aggregation: 5616 AfriNIC Deaggregation factor: 5.68 Prefixes being announced from the AfriNIC address blocks: 40064 Unique aggregates announced from the AfriNIC address blocks: 11751 AfriNIC Region origin ASes present in the Internet Routing Table: 1667 AfriNIC Prefixes per ASN: 24.03 AfriNIC Region origin ASes announcing only one prefix: 541 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: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 990 Number of AfriNIC addresses announced to Internet: 107876096 Equivalent to 6 /8s, 110 /16s and 15 /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 8982 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5922 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3566 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3511 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3509 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2428 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 596 KIXS-AS-KR Korea Telecom, KR 45090 2172 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 217 TATACOMM-AS TATA Communications formerl 24560 2107 849 407 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 6789 10397 2685 AMAZON-02, US 11492 4509 299 677 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3859 3051 345 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3481 1795 2511 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2992 50739 2250 DNIC-AS-00749, US 30036 2633 375 130 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2414 4936 413 CENTURYLINK-US-LEGACY-QWEST, 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 6865 1692 17 TTNET, TR 12479 6863 1730 144 UNI2-AS, ES 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 4008 3361 200 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 12389 2906 2287 906 ROSTELECOM-AS, RU 6849 2821 355 21 UKRTELNET, UA 9009 2580 254 1333 M247, GB 34984 2252 358 639 TELLCOM-AS, TR 47331 1868 291 1427 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 10754 3397 556 Uninet S.A. de C.V., MX 10620 3473 514 774 Telmex Colombia S.A., CO 11830 2428 369 64 Instituto Costarricense de Electricidad 13999 1911 314 507 Mega Cable, S.A. de C.V., MX 28573 1359 2330 272 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1262 683 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 995 179 458 Techtel LMDS Comunicaciones Interactiva 26615 979 2466 43 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 37457 1950 326 62 Telkom-Internet, ZA 24863 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 965 65 44 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 497 50 29 WANANCHI-, KE 37342 462 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 10754 3397 556 Uninet S.A. de C.V., MX 9808 8982 8882 46 CHINAMOBILE-CN China Mobile Communicati 9121 6865 1692 17 TTNET, TR 12479 6863 1730 144 UNI2-AS, ES 16509 6789 10397 2685 AMAZON-02, US 7545 5922 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4509 299 677 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 4008 3361 200 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 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 8982 8936 CHINAMOBILE-CN China Mobile Communications Grou 9121 6865 6848 TTNET, TR 12479 6863 6719 UNI2-AS, ES 7545 5922 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6789 4104 AMAZON-02, US 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4509 3832 CABLEONE, US 20940 4008 3808 AKAMAI-ASN1, NL 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /12:303 /13:590 /14:1211 /15:2119 /16:13600 /17:8377 /18:14082 /19:25125 /20:43932 /21:52519 /22:109687 /23:100044 /24:547409 /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 5985 6865 TTNET, TR 12479 5843 6863 UNI2-AS, ES 8151 4499 10754 Uninet S.A. de C.V., MX 8551 3472 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3416 4509 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2885 3859 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2673 2821 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1928 2:1072 3:157 4:7 5:3991 6:108 7:6 8:1572 9:1 11:172 12:1644 13:344 14:2337 15:232 16:43 17:381 18:183 19:1 20:243 21:4 22:188 23:5766 24:2435 25:6 27:2685 29:19 31:2455 32:96 34:7 35:87 36:1833 37:4500 38:3222 39:717 40:162 41:4385 42:1118 43:2248 44:291 45:16949 46:4196 47:329 49:1699 50:1953 51:238 52:1451 54:386 55:851 56:8 57:68 58:1769 59:1114 60:962 61:2307 62:2611 63:1948 64:5571 65:2354 66:4970 67:3002 68:1219 69:4180 70:1323 71:689 72:3110 74:2661 75:1408 76:579 77:2344 78:3985 79:3135 80:2020 81:1797 82:1500 83:1221 84:1344 85:3728 86:731 87:2008 88:2777 89:3386 90:542 91:7724 92:2023 93:2569 94:3530 95:4806 96:1309 97:353 98:1009 99:753 100:77 101:1272 102:2390 103:29558 104:4549 105:2056 106:874 107:2550 108:877 109:4335 110:1977 111:3272 112:2031 113:1492 114:1511 115:2117 116:1896 117:2442 118:2315 119:1854 120:1661 121:1050 122:2555 123:2126 124:1552 125:2072 128:1267 129:1124 130:1000 131:2206 132:831 133:377 134:1941 135:314 136:893 137:873 138:2718 139:1525 140:903 141:1453 142:1308 143:1487 144:1209 145:355 146:1831 147:1524 148:2215 149:1714 150:877 151:1066 152:1856 153:546 154:3726 155:1440 156:1702 157:1276 158:1040 159:2242 160:2579 161:1285 162:3498 163:1302 164:1674 165:1668 166:760 167:1768 168:4079 169:915 170:4894 171:836 172:3254 173:3164 174:1019 175:1172 176:3623 177:5846 178:3579 179:2627 180:2371 181:3300 182:3224 183:1919 184:2344 185:19784 186:4778 187:4390 188:4092 189:3777 190:9054 191:1878 192:11027 193:8703 194:7137 195:5102 196:3206 197:2828 198:6010 199:6084 200:7923 201:6071 202:10336 203:10260 204:4540 205:3446 206:3780 207:3398 208:4049 209:4730 210:4220 211:2332 212:4099 213:3480 214:1136 215:67 216:6532 217:2744 218:1274 219:412 220:1993 221:966 222:658 223:1968 End of report