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 18 Jun, 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: 917227 Prefixes after maximum aggregation (per Origin AS): 339272 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 434528 Number of IPv4 prefixes with a valid ROA: 346662 Number of IPv4 prefixes with an invalid ROA: 2772 Number of IPv4 prefixes with no ROA: 567793 Total ASes present in the Internet Routing Table: 73278 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 63087 Origin ASes announcing only one prefix: 25353 Transit ASes present in the Internet Routing Table: 10191 Transit-only ASes present in the Internet Routing Table: 363 Paths with bogon ASNs present in the IPv4 Routing Table: 108 Average AS path length visible in the Internet Routing Table: 6.0 Max AS path length visible: 38 Max AS path prepend of ASN ( 37385) 34 Prefixes from unregistered ASNs in the Routing Table: 908 Number of instances of unregistered ASNs: 911 Number of 32-bit ASNs allocated by the RIRs: 39613 Number of 32-bit ASNs visible in the Routing Table: 32847 Prefixes from 32-bit ASNs in the Routing Table: 162115 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 498 Number of addresses announced to Internet: 3068632320 Equivalent to 182 /8s, 231 /16s and 157 /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: 316951 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231959 Total APNIC prefixes after maximum aggregation: 66398 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 227282 Unique aggregates announced from the APNIC address blocks: 95389 APNIC Region origin ASes present in the Internet Routing Table: 12672 APNIC Prefixes per ASN: 17.94 APNIC Region origin ASes announcing only one prefix: 3626 APNIC Region transit ASes present in the Internet Routing Table: 1732 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7922 Number of APNIC addresses announced to Internet: 773185280 Equivalent to 46 /8s, 21 /16s and 223 /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: 264840 Total ARIN prefixes after maximum aggregation: 120627 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 264960 Unique aggregates announced from the ARIN address blocks: 126822 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 13.91 ARIN Region origin ASes announcing only one prefix: 6911 ARIN Region transit ASes present in the Internet Routing Table: 1892 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: 4523 Number of ARIN addresses announced to Internet: 1297239040 Equivalent to 77 /8s, 82 /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: 262598 Total RIPE prefixes after maximum aggregation: 118278 RIPE Deaggregation factor: 2.22 Prefixes being announced from the RIPE address blocks: 259732 Unique aggregates announced from the RIPE address blocks: 151570 RIPE Region origin ASes present in the Internet Routing Table: 28163 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12000 RIPE Region transit ASes present in the Internet Routing Table: 3865 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10722 Number of RIPE addresses announced to Internet: 713849344 Equivalent to 42 /8s, 140 /16s and 122 /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: 125159 Total LACNIC prefixes after maximum aggregation: 27661 LACNIC Deaggregation factor: 4.52 Prefixes being announced from the LACNIC address blocks: 124843 Unique aggregates announced from the LACNIC address blocks: 48713 LACNIC Region origin ASes present in the Internet Routing Table: 10992 LACNIC Prefixes per ASN: 11.36 LACNIC Region origin ASes announcing only one prefix: 2289 LACNIC Region transit ASes present in the Internet Routing Table: 2224 Average LACNIC Region AS path length visible: 6.3 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8699 Number of LACNIC addresses announced to Internet: 176389376 Equivalent to 10 /8s, 131 /16s and 125 /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: 31763 Total AfriNIC prefixes after maximum aggregation: 5607 AfriNIC Deaggregation factor: 5.66 Prefixes being announced from the AfriNIC address blocks: 39912 Unique aggregates announced from the AfriNIC address blocks: 11611 AfriNIC Region origin ASes present in the Internet Routing Table: 1657 AfriNIC Prefixes per ASN: 24.09 AfriNIC Region origin ASes announcing only one prefix: 527 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 981 Number of AfriNIC addresses announced to Internet: 107685120 Equivalent to 6 /8s, 107 /16s and 37 /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 9221 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3576 1330 19 VIETEL-AS-AP Viettel Group, VN 45899 3510 1880 56 VNPT-AS-VN VNPT Corp, VN 7713 3493 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2418 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2251 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2170 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2128 425 217 TATACOMM-AS TATA Communications formerl 24560 2083 852 391 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 6644 10375 2718 AMAZON-02, US 11492 4531 300 652 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3881 3054 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3459 1805 2513 AKAMAI-AS, US 6327 3439 1319 63 SHAW, CA 749 2965 50743 2221 DNIC-AS-00749, US 30036 2624 374 166 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2475 3342 352 GOOGLE-CLOUD-PLATFORM, US 209 2435 4961 416 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 6893 1692 17 TTNET, TR 12479 6865 1730 143 UNI2-AS, ES 8551 4005 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3976 3360 199 AKAMAI-ASN1, NL 12389 2919 2273 907 ROSTELECOM-AS, RU 6849 2908 355 21 UKRTELNET, UA 9009 2524 249 1311 M247, GB 34984 2244 357 633 TELLCOM-AS, TR 47331 1881 293 1439 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 10733 3402 552 Uninet S.A. de C.V., MX 10620 3488 519 740 Telmex Colombia S.A., CO 11830 2437 369 64 Instituto Costarricense de Electricidad 13999 1875 306 490 Mega Cable, S.A. de C.V., MX 6503 1369 351 536 Axtel, S.A.B. de C.V., MX 28573 1369 2332 273 Claro NXT Telecomunicacoes Ltda, BR 3816 1259 673 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1072 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 438 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, 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 1953 327 63 Telkom-Internet, ZA 24863 1600 393 19 LINKdotNET-AS, EG 24835 1525 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 63 ORANGE-COTE-IVOIRE, CI 36935 776 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 498 50 29 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 10733 3402 552 Uninet S.A. de C.V., MX 9808 9221 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6893 1692 17 TTNET, TR 12479 6865 1730 143 UNI2-AS, ES 16509 6644 10375 2718 AMAZON-02, US 7545 5922 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4531 300 652 CABLEONE, US 8551 4005 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3976 3360 199 AKAMAI-ASN1, NL 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 9221 9186 CHINAMOBILE-CN China Mobile Communications Grou 9121 6893 6876 TTNET, TR 12479 6865 6722 UNI2-AS, ES 7545 5922 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4005 3966 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6644 3926 AMAZON-02, US 11492 4531 3879 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 20940 3976 3777 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 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 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 /10:40 /11:100 /12:302 /13:590 /14:1210 /15:2107 /16:13567 /17:8359 /18:14038 /19:25137 /20:43960 /21:52657 /22:109488 /23:100006 /24:545637 /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 6012 6893 TTNET, TR 12479 5844 6865 UNI2-AS, ES 8151 4453 10733 Uninet S.A. de C.V., MX 8551 3471 4005 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3434 4531 CABLEONE, US 6327 3249 3439 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2901 3881 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2908 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1932 2:1030 3:157 4:8 5:3967 6:108 7:6 8:1579 9:1 11:172 12:1648 13:332 14:2329 15:211 16:42 17:384 18:173 20:217 21:4 22:188 23:5691 24:2419 25:6 27:2689 29:19 31:2468 32:93 34:5 35:87 36:1827 37:4508 38:3083 39:713 40:163 41:4407 42:1122 43:2229 44:293 45:16908 46:4213 47:328 49:1688 50:2178 51:237 52:1443 54:381 55:805 56:8 57:67 58:1770 59:1115 60:962 61:2293 62:2592 63:1958 64:5572 65:2355 66:4965 67:3009 68:1226 69:4191 70:1327 71:689 72:3117 74:2673 75:1401 76:579 77:2335 78:3977 79:3126 80:2022 81:1782 82:1503 83:1222 84:1333 85:3708 86:712 87:2025 88:2773 89:3398 90:543 91:7721 92:2033 93:2571 94:3508 95:4800 96:1311 97:352 98:1004 99:747 100:77 101:1276 102:2385 103:29365 104:4498 105:2055 106:874 107:2531 108:860 109:4304 110:1984 111:3264 112:2042 113:1500 114:1510 115:2110 116:1891 117:2538 118:2307 119:1836 120:1672 121:1044 122:2550 123:2122 124:1552 125:2070 128:1256 129:1133 130:998 131:2207 132:839 133:378 134:1926 135:285 136:876 137:869 138:2709 139:1530 140:897 141:1435 142:1295 143:1517 144:1208 145:350 146:1829 147:1520 148:2216 149:1750 150:873 151:1075 152:1845 153:541 154:3641 155:1442 156:1739 157:1249 158:1050 159:2220 160:2619 161:1274 162:3493 163:1297 164:1671 165:1660 166:722 167:1737 168:4054 169:899 170:4794 171:833 172:3225 173:3159 174:1017 175:1169 176:3627 177:5814 178:3587 179:2518 180:2296 181:3053 182:3214 183:1936 184:2367 185:19745 186:4726 187:4401 188:4040 189:3682 190:9033 191:1762 192:11043 193:8665 194:7088 195:5035 196:3205 197:2821 198:6007 199:6065 200:7897 201:6056 202:10300 203:10224 204:4550 205:3469 206:3788 207:3399 208:4044 209:4725 210:4234 211:2340 212:4081 213:3441 214:1142 215:66 216:6544 217:2782 218:1271 219:412 220:1943 221:1010 222:652 223:2133 End of report