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 13 Aug, 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: 923075 Prefixes after maximum aggregation (per Origin AS): 341327 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 438104 Number of IPv4 prefixes with a valid ROA: 361868 Number of IPv4 prefixes with an invalid ROA: 3039 Number of IPv4 prefixes with no ROA: 558168 Total ASes present in the Internet Routing Table: 73633 Prefixes per ASN: 12.54 Origin-only ASes present in the Internet Routing Table: 63056 Origin ASes announcing only one prefix: 25556 Transit ASes present in the Internet Routing Table: 10577 Transit-only ASes present in the Internet Routing Table: 390 Paths with bogon ASNs present in the IPv4 Routing Table: 120 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1037 Number of instances of unregistered ASNs: 1039 Number of 32-bit ASNs allocated by the RIRs: 39974 Number of 32-bit ASNs visible in the Routing Table: 33236 Prefixes from 32-bit ASNs in the Routing Table: 164709 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: 528 Number of addresses announced to Internet: 3071088128 Equivalent to 183 /8s, 13 /16s and 22 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 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: 318776 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233638 Total APNIC prefixes after maximum aggregation: 66777 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 228696 Unique aggregates announced from the APNIC address blocks: 96091 APNIC Region origin ASes present in the Internet Routing Table: 12856 APNIC Prefixes per ASN: 17.79 APNIC Region origin ASes announcing only one prefix: 3718 APNIC Region transit ASes present in the Internet Routing Table: 1772 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8114 Number of APNIC addresses announced to Internet: 772806144 Equivalent to 46 /8s, 16 /16s and 22 /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: 266450 Total ARIN prefixes after maximum aggregation: 120867 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266880 Unique aggregates announced from the ARIN address blocks: 127513 ARIN Region origin ASes present in the Internet Routing Table: 19079 ARIN Prefixes per ASN: 13.99 ARIN Region origin ASes announcing only one prefix: 6944 ARIN Region transit ASes present in the Internet Routing Table: 1937 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: 4589 Number of ARIN addresses announced to Internet: 1295808256 Equivalent to 77 /8s, 60 /16s and 119 /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: 264158 Total RIPE prefixes after maximum aggregation: 119460 RIPE Deaggregation factor: 2.21 Prefixes being announced from the RIPE address blocks: 261240 Unique aggregates announced from the RIPE address blocks: 153327 RIPE Region origin ASes present in the Internet Routing Table: 28235 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 4062 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10817 Number of RIPE addresses announced to Internet: 717885952 Equivalent to 42 /8s, 202 /16s and 18 /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: 125895 Total LACNIC prefixes after maximum aggregation: 27771 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 125476 Unique aggregates announced from the LACNIC address blocks: 48906 LACNIC Region origin ASes present in the Internet Routing Table: 10988 LACNIC Prefixes per ASN: 11.42 LACNIC Region origin ASes announcing only one prefix: 2306 LACNIC Region transit ASes present in the Internet Routing Table: 2277 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8711 Number of LACNIC addresses announced to Internet: 176407552 Equivalent to 10 /8s, 131 /16s and 196 /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: 31897 Total AfriNIC prefixes after maximum aggregation: 5660 AfriNIC Deaggregation factor: 5.64 Prefixes being announced from the AfriNIC address blocks: 40255 Unique aggregates announced from the AfriNIC address blocks: 11815 AfriNIC Region origin ASes present in the Internet Routing Table: 1675 AfriNIC Prefixes per ASN: 24.03 AfriNIC Region origin ASes announcing only one prefix: 542 AfriNIC Region transit ASes present in the Internet Routing Table: 318 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 39 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1005 Number of AfriNIC addresses announced to Internet: 107883008 Equivalent to 6 /8s, 110 /16s and 42 /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 9070 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5911 789 699 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3462 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2429 499 240 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 593 KIXS-AS-KR Korea Telecom, KR 45090 2196 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2158 851 404 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2125 425 216 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 6860 10406 2717 AMAZON-02, US 11492 4536 301 571 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3825 3064 349 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3478 1791 2508 AKAMAI-AS, US 6327 3448 1319 62 SHAW, CA 749 3028 50730 2286 DNIC-AS-00749, US 30036 2604 371 288 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2524 3385 361 GOOGLE-CLOUD-PLATFORM, US 209 2370 4935 406 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 12479 6861 1730 144 UNI2-AS, ES 9121 6558 1692 17 TTNET, TR 20940 4061 3361 202 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3993 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2913 2290 910 ROSTELECOM-AS, RU 6849 2789 355 21 UKRTELNET, UA 9009 2606 254 1332 M247, GB 34984 2246 358 631 TELLCOM-AS, TR 47331 2065 324 1564 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 10835 3399 557 Uninet S.A. de C.V., MX 10620 3486 515 778 Telmex Colombia S.A., CO 11830 2380 369 64 Instituto Costarricense de Electricidad 13999 1953 320 522 Mega Cable, S.A. de C.V., MX 28573 1362 2329 265 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1272 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1124 369 21 Telefonica del Peru S.A.A., PE 11664 1046 176 460 Techtel LMDS Comunicaciones Interactiva 26615 976 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 58 Telkom-Internet, ZA 24835 1546 521 31 RAYA-AS, EG 24863 1542 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 975 66 52 ORANGE-COTE-IVOIRE, CI 36935 786 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 497 50 31 WANANCHI-, KE 37342 481 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 10835 3399 557 Uninet S.A. de C.V., MX 9808 9070 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6861 1730 144 UNI2-AS, ES 16509 6860 10406 2717 AMAZON-02, US 9121 6558 1692 17 TTNET, TR 7545 5911 789 699 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4536 301 571 CABLEONE, US 20940 4061 3361 202 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3993 374 39 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 9070 9023 CHINAMOBILE-CN China Mobile Communications Grou 12479 6861 6717 UNI2-AS, ES 9121 6558 6541 TTNET, TR 7545 5911 5212 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6860 4143 AMAZON-02, US 11492 4536 3965 CABLEONE, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3993 3954 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4061 3859 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 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 23.139.200.0/24 Origin: 399215 ACTS-01, US 23.139.200.0/24 Transit: 53610 METRO-COMMUNICATIONS-COMPANY-INC, US 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 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 /11:101 /12:304 /13:594 /14:1213 /15:2124 /16:13595 /17:8379 /18:14123 /19:25144 /20:44115 /21:52960 /22:110137 /23:100335 /24:549883 /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 5848 6861 UNI2-AS, ES 9121 5718 6558 TTNET, TR 8151 4557 10835 Uninet S.A. de C.V., MX 11492 3461 4536 CABLEONE, US 8551 3456 3993 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3260 3448 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2840 3825 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2641 2789 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1953 2:1050 3:157 4:7 5:4021 6:112 7:6 8:1590 9:1 11:172 12:1647 13:339 14:2358 15:243 16:44 17:383 18:188 20:246 21:4 22:188 23:5874 24:2449 25:6 27:2686 29:19 31:2442 32:96 34:7 35:87 36:1853 37:4508 38:3415 39:724 40:162 41:4388 42:1136 43:2237 44:291 45:17076 46:4195 47:332 49:1717 50:1953 51:238 52:1460 54:385 55:845 56:8 57:67 58:1789 59:1121 60:964 61:2332 62:2630 63:1947 64:5610 65:2389 66:4974 67:3025 68:1236 69:4170 70:1316 71:690 72:3109 74:2660 75:1408 76:581 77:2362 78:4006 79:3126 80:2045 81:1818 82:1505 83:1223 84:1382 85:3735 86:745 87:2015 88:2814 89:3465 90:549 91:7751 92:2061 93:2560 94:3566 95:4815 96:1297 97:351 98:1027 99:738 100:77 101:1296 102:2492 103:29834 104:4564 105:2057 106:881 107:2547 108:881 109:4367 110:1995 111:3284 112:2046 113:1511 114:1517 115:2135 116:1896 117:2460 118:2308 119:1856 120:1756 121:1032 122:2527 123:2115 124:1531 125:2066 128:1276 129:1108 130:991 131:2240 132:833 133:378 134:1945 135:342 136:857 137:889 138:2761 139:1511 140:940 141:1455 142:1335 143:1502 144:1203 145:342 146:1866 147:1515 148:2218 149:1779 150:876 151:1074 152:1874 153:546 154:3779 155:1461 156:1739 157:1283 158:1034 159:2215 160:2570 161:1334 162:3523 163:1366 164:1682 165:1680 166:782 167:1761 168:4078 169:905 170:4876 171:842 172:3329 173:3147 174:1036 175:1165 176:3723 177:5871 178:3577 179:2614 180:2336 181:3321 182:3199 183:1916 184:2381 185:19786 186:4913 187:4421 188:4109 189:3761 190:9077 191:1798 192:11003 193:8732 194:7167 195:5164 196:3183 197:2845 198:6024 199:6066 200:7946 201:6035 202:10331 203:10231 204:4526 205:3442 206:3801 207:3444 208:4069 209:4744 210:4223 211:2319 212:4087 213:3502 214:1134 215:65 216:6442 217:2741 218:1265 219:412 220:2012 221:952 222:654 223:1973 End of report