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 Dec, 2023 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: 955300 Prefixes after maximum aggregation (per Origin AS): 356925 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 455679 Number of IPv4 prefixes with a valid ROA: 443046 Number of IPv4 prefixes with an invalid ROA: 2623 Number of IPv4 prefixes with no ROA: 509631 Total ASes present in the Internet Routing Table: 75147 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 64708 Origin ASes announcing only one prefix: 26054 Transit ASes present in the Internet Routing Table: 10439 Transit-only ASes present in the Internet Routing Table: 460 Paths with bogon ASNs present in the IPv4 Routing Table: 108 Average AS path length visible in the Internet Routing Table: 7.9 Max AS path length visible: 59 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1060 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 43210 Number of 32-bit ASNs visible in the Routing Table: 35522 Prefixes from 32-bit ASNs in the Routing Table: 183824 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 516 Number of addresses announced to Internet: 3048970496 Equivalent to 181 /8s, 187 /16s and 153 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 321288 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247627 Total APNIC prefixes after maximum aggregation: 71536 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 240718 Unique aggregates announced from the APNIC address blocks: 99403 APNIC Region origin ASes present in the Internet Routing Table: 13785 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 4147 APNIC Region transit ASes present in the Internet Routing Table: 1841 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9145 Number of APNIC addresses announced to Internet: 770962432 Equivalent to 45 /8s, 243 /16s and 244 /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, 131072-153913 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: 277620 Total ARIN prefixes after maximum aggregation: 124622 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 282427 Unique aggregates announced from the ARIN address blocks: 132925 ARIN Region origin ASes present in the Internet Routing Table: 19077 ARIN Prefixes per ASN: 14.80 ARIN Region origin ASes announcing only one prefix: 6952 ARIN Region transit ASes present in the Internet Routing Table: 1887 Average ARIN Region AS path length visible: 7.7 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4819 Number of ARIN addresses announced to Internet: 1276521472 Equivalent to 76 /8s, 22 /16s and 44 /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: 265554 Total RIPE prefixes after maximum aggregation: 125098 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 259952 Unique aggregates announced from the RIPE address blocks: 160734 RIPE Region origin ASes present in the Internet Routing Table: 28540 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12096 RIPE Region transit ASes present in the Internet Routing Table: 3845 Average RIPE Region AS path length visible: 7.8 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11492 Number of RIPE addresses announced to Internet: 714856960 Equivalent to 42 /8s, 155 /16s and 218 /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 196608-216475 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: 128972 Total LACNIC prefixes after maximum aggregation: 28825 LACNIC Deaggregation factor: 4.47 Prefixes being announced from the LACNIC address blocks: 127587 Unique aggregates announced from the LACNIC address blocks: 49401 LACNIC Region origin ASes present in the Internet Routing Table: 11067 LACNIC Prefixes per ASN: 11.53 LACNIC Region origin ASes announcing only one prefix: 2273 LACNIC Region transit ASes present in the Internet Routing Table: 2375 Average LACNIC Region AS path length visible: 8.6 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8909 Number of LACNIC addresses announced to Internet: 178457344 Equivalent to 10 /8s, 163 /16s and 11 /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: 34467 Total AfriNIC prefixes after maximum aggregation: 6141 AfriNIC Deaggregation factor: 5.61 Prefixes being announced from the AfriNIC address blocks: 44100 Unique aggregates announced from the AfriNIC address blocks: 12794 AfriNIC Region origin ASes present in the Internet Routing Table: 1818 AfriNIC Prefixes per ASN: 24.26 AfriNIC Region origin ASes announcing only one prefix: 586 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 7.2 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1157 Number of AfriNIC addresses announced to Internet: 107810560 Equivalent to 6 /8s, 109 /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 9741 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4425 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3830 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3390 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3352 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2640 853 366 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 589 KIXS-AS-KR Korea Telecom, KR 4755 2187 442 199 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 9445 11186 3325 AMAZON-02, US 11492 4561 303 681 CABLEONE, US 7155 4175 288 96 VIASAT-SP-BACKBONE, US 174 4032 6668 668 COGENT-174, US 6327 3560 1320 68 SHAW, CA 22773 3506 3055 301 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3210 1427 2346 AKAMAI-AS, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2975 3840 1410 DNIC-ASBLK-00306-00371, US 396982 2724 3631 375 GOOGLE-CLOUD-PLATFORM, 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 7555 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4040 3397 141 AKAMAI-ASN1, NL 9009 3487 300 1636 M247, RO 8551 2949 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2932 2301 908 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1603 890 590 TCI, IR 8452 1540 1852 14 TE-AS TE-AS, EG 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 12100 3379 605 UNINET, MX 10620 3527 499 872 Telmex Colombia S.A., CO 13999 2482 338 637 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1341 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1246 341 504 Axtel, S.A.B. de C.V., MX 11664 1098 175 433 Techtel LMDS Comunicaciones Interactiva 28202 1090 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1080 369 22 Telefonica del Peru S.A.A., PE 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 1624 316 48 Telkom-Internet, ZA 24863 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 543 82 3 KENET-AS, KE 15399 541 55 49 WANANCHI-, KE 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 12100 3379 605 UNINET, MX 9808 9741 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9445 11186 3325 AMAZON-02, US 12479 7555 1714 146 UNI2-AS, ES 7545 5676 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4561 303 681 CABLEONE, US 18403 4425 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 96 VIASAT-SP-BACKBONE, US 20940 4040 3397 141 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 9741 9700 CHINAMOBILE-CN China Mobile Communications Grou 12479 7555 7409 UNI2-AS, ES 16509 9445 6120 AMAZON-02, US 7545 5676 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4425 4400 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4079 VIASAT-SP-BACKBONE, US 20940 4040 3899 AKAMAI-ASN1, NL 11492 4561 3880 CABLEONE, US 7552 3830 3810 VIETEL-AS-AP Viettel Group, VN 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /9:14 /10:37 /11:99 /12:299 /13:580 /14:1201 /15:2118 /16:13537 /17:8379 /18:14067 /19:25259 /20:44164 /21:52369 /22:112104 /23:103660 /24:577397 /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 6644 7555 UNI2-AS, ES 8151 6113 12100 UNINET, MX 11492 3475 4561 CABLEONE, US 6327 3367 3560 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3119 4175 VIASAT-SP-BACKBONE, US 22773 2559 3506 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2426 2949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2126 2471 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3527 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) ---------------------------------------------- 1:2244 2:1430 3:280 4:7 5:4492 6:160 7:6 8:1540 9:1 11:172 12:1490 13:371 14:2327 15:304 16:206 17:361 18:707 20:346 21:4 22:188 23:6559 24:2996 25:2 27:2650 29:19 31:2575 32:62 34:35 35:118 36:2054 37:4486 38:6817 39:882 40:148 41:4440 42:2139 43:2341 44:332 45:17458 46:4438 47:286 49:1892 50:1901 51:577 52:1599 54:395 55:801 56:5 57:136 58:1923 59:1119 60:1008 61:2646 62:2812 63:1922 64:5646 65:2369 66:5149 67:3092 68:1364 69:4116 70:1349 71:616 72:3003 74:2660 75:1595 76:625 77:2460 78:1836 79:3003 80:2153 81:1891 82:1538 83:1343 84:1618 85:3029 86:783 87:2075 88:1284 89:3972 90:642 91:8008 92:2179 93:2656 94:3627 95:4019 96:1299 97:316 98:1018 99:738 100:94 101:1387 102:3506 103:32627 104:4807 105:2095 106:976 107:2745 108:1147 109:3803 110:2133 111:3153 112:2085 113:1714 114:1755 115:2086 116:1977 117:2564 118:2754 119:1964 120:1772 121:1247 122:2653 123:2199 124:1585 125:2754 128:1514 129:997 130:1097 131:2086 132:891 133:410 134:1722 135:337 136:921 137:998 138:2889 139:1558 140:1345 141:1358 142:1561 143:1578 144:1007 145:344 146:1999 147:1641 148:2482 149:2440 150:1024 151:1290 152:1970 153:596 154:5599 155:1382 156:2150 157:1378 158:1086 159:2206 160:2694 161:1622 162:3573 163:1663 164:1695 165:1927 166:1100 167:1784 168:4018 169:827 170:4944 171:975 172:3778 173:3028 174:903 175:1233 176:3684 177:5472 178:3561 179:2485 180:2323 181:3721 182:3408 183:2003 184:2258 185:20717 186:5085 187:4706 188:4129 189:4307 190:9567 191:1942 192:11033 193:9011 194:7367 195:5310 196:3470 197:2763 198:5998 199:6684 200:8558 201:6324 202:10481 203:10223 204:4617 205:3666 206:4462 207:3485 208:4122 209:4946 210:4370 211:2467 212:4268 213:3429 214:1116 215:63 216:6802 217:2856 218:1307 219:414 220:2023 221:1015 222:700 223:2197 End of report