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 29 Oct, 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: 930411 Prefixes after maximum aggregation (per Origin AS): 344522 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 441037 Number of IPv4 prefixes with a valid ROA: 375935 Number of IPv4 prefixes with an invalid ROA: 3123 Number of IPv4 prefixes with no ROA: 551353 Total ASes present in the Internet Routing Table: 73837 Prefixes per ASN: 12.60 Origin-only ASes present in the Internet Routing Table: 63312 Origin ASes announcing only one prefix: 25535 Transit ASes present in the Internet Routing Table: 10525 Transit-only ASes present in the Internet Routing Table: 418 Paths with bogon ASNs present in the IPv4 Routing Table: 130 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1116 Number of instances of unregistered ASNs: 1121 Number of 32-bit ASNs allocated by the RIRs: 40515 Number of 32-bit ASNs visible in the Routing Table: 33631 Prefixes from 32-bit ASNs in the Routing Table: 169336 Number of bogon 32-bit ASNs visible in the Routing Table: 56 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 527 Number of addresses announced to Internet: 3064418048 Equivalent to 182 /8s, 167 /16s and 79 /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: 321242 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235644 Total APNIC prefixes after maximum aggregation: 67511 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 230614 Unique aggregates announced from the APNIC address blocks: 96865 APNIC Region origin ASes present in the Internet Routing Table: 13037 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 3751 APNIC Region transit ASes present in the Internet Routing Table: 1767 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8302 Number of APNIC addresses announced to Internet: 773263104 Equivalent to 46 /8s, 23 /16s and 15 /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: 268680 Total ARIN prefixes after maximum aggregation: 121579 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 270083 Unique aggregates announced from the ARIN address blocks: 128835 ARIN Region origin ASes present in the Internet Routing Table: 19086 ARIN Prefixes per ASN: 14.15 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1943 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4665 Number of ARIN addresses announced to Internet: 1289935104 Equivalent to 76 /8s, 226 /16s and 217 /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: 265390 Total RIPE prefixes after maximum aggregation: 120858 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 262093 Unique aggregates announced from the RIPE address blocks: 154675 RIPE Region origin ASes present in the Internet Routing Table: 28179 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 11961 RIPE Region transit ASes present in the Internet Routing Table: 3996 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10875 Number of RIPE addresses announced to Internet: 716541440 Equivalent to 42 /8s, 181 /16s and 142 /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: 126911 Total LACNIC prefixes after maximum aggregation: 28070 LACNIC Deaggregation factor: 4.52 Prefixes being announced from the LACNIC address blocks: 126300 Unique aggregates announced from the LACNIC address blocks: 48362 LACNIC Region origin ASes present in the Internet Routing Table: 10989 LACNIC Prefixes per ASN: 11.49 LACNIC Region origin ASes announcing only one prefix: 2287 LACNIC Region transit ASes present in the Internet Routing Table: 2287 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: 8751 Number of LACNIC addresses announced to Internet: 175948800 Equivalent to 10 /8s, 124 /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: 32670 Total AfriNIC prefixes after maximum aggregation: 5691 AfriNIC Deaggregation factor: 5.74 Prefixes being announced from the AfriNIC address blocks: 40794 Unique aggregates announced from the AfriNIC address blocks: 11869 AfriNIC Region origin ASes present in the Internet Routing Table: 1717 AfriNIC Prefixes per ASN: 23.76 AfriNIC Region origin ASes announcing only one prefix: 563 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1038 Number of AfriNIC addresses announced to Internet: 108428544 Equivalent to 6 /8s, 118 /16s and 125 /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 9065 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5936 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3614 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3474 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2496 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2290 11250 593 KIXS-AS-KR Korea Telecom, KR 24560 2243 851 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2194 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2153 426 222 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 7452 10589 2889 AMAZON-02, US 11492 4629 306 500 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3759 3045 342 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3555 1856 2550 AKAMAI-AS, US 6327 3516 1320 63 SHAW, CA 749 3029 50727 2287 DNIC-AS-00749, US 7018 2616 24153 1582 ATT-INTERNET4, US 30036 2606 372 243 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2558 3480 349 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 6919 1730 144 UNI2-AS, ES 9121 6714 1692 17 TTNET, TR 20940 4115 3400 178 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3979 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2922 2290 912 ROSTELECOM-AS, RU 9009 2629 253 1350 M247, RO 6849 2452 339 20 UKRTELNET, UA 34984 2239 357 614 TELLCOM-AS, TR 47331 2052 320 1561 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 10854 3314 606 Uninet S.A. de C.V., MX 10620 3471 510 838 Telmex Colombia S.A., CO 11830 2299 369 64 Instituto Costarricense de Electricidad 13999 2094 341 544 Mega Cable, S.A. de C.V., MX 28573 1334 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 338 522 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1093 182 467 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 989 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 1888 326 58 Telkom-Internet, ZA 24863 1569 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1350 1519 270 ETISALAT-MISR, EG 36903 1248 550 99 MT-MPLS, MA 29571 992 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 521 53 39 WANANCHI-, KE 37342 495 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 10854 3314 606 Uninet S.A. de C.V., MX 9808 9065 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7452 10589 2889 AMAZON-02, US 12479 6919 1730 144 UNI2-AS, ES 9121 6714 1692 17 TTNET, TR 7545 5936 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 306 500 CABLEONE, US 20940 4115 3400 178 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3979 374 38 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 9065 9018 CHINAMOBILE-CN China Mobile Communications Grou 12479 6919 6775 UNI2-AS, ES 9121 6714 6697 TTNET, TR 7545 5936 5241 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7452 4563 AMAZON-02, US 11492 4629 4129 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3979 3941 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4115 3937 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 6939 HURRICANE, US 24.48.136.0/22 Origin: 40396 UNASSIGNED 24.48.136.0/22 Transit: 23314 ORLANDOTELCO, US 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 /10:38 /11:100 /12:295 /13:588 /14:1206 /15:2095 /16:13558 /17:8412 /18:14153 /19:25246 /20:44025 /21:52759 /22:110786 /23:100930 /24:556191 /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 5926 6919 UNI2-AS, ES 9121 5863 6714 TTNET, TR 8151 4816 10854 Uninet S.A. de C.V., MX 11492 3535 4629 CABLEONE, US 8551 3443 3979 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3324 3516 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3898 VIASAT-SP-BACKBONE, US 22773 2783 3759 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2313 2452 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1893 2:1024 3:167 4:7 5:4193 6:116 7:5 8:1600 9:1 11:173 12:1621 13:354 14:2372 15:277 16:69 17:359 18:347 20:245 21:4 22:188 23:5996 24:2519 25:6 27:2790 29:19 31:2482 32:95 34:7 35:92 36:1829 37:4512 38:3773 39:756 40:169 41:4405 42:1171 43:2310 44:298 45:17485 46:4250 47:375 49:1732 50:1941 51:245 52:1501 54:399 55:827 56:8 57:86 58:1783 59:1116 60:996 61:2443 62:2677 63:1981 64:5643 65:2315 66:4945 67:3018 68:1408 69:4185 70:1300 71:687 72:3057 74:2673 75:1481 76:597 77:2364 78:4015 79:3147 80:2069 81:1856 82:1529 83:1228 84:1438 85:3748 86:730 87:2015 88:2832 89:3488 90:551 91:7697 92:2076 93:2567 94:3606 95:4836 96:1352 97:346 98:1173 99:739 100:69 101:1303 102:2712 103:30563 104:4543 105:1986 106:889 107:2536 108:913 109:4350 110:2011 111:3283 112:2053 113:1523 114:1554 115:2148 116:1900 117:2490 118:2327 119:1849 120:1704 121:1046 122:2582 123:2154 124:1508 125:2145 128:1300 129:1043 130:991 131:2202 132:853 133:379 134:1910 135:332 136:876 137:915 138:2792 139:1515 140:1131 141:1481 142:1402 143:1484 144:1181 145:353 146:1882 147:1548 148:2284 149:1840 150:887 151:1140 152:1955 153:548 154:3909 155:1431 156:1651 157:1308 158:1049 159:2213 160:2647 161:1387 162:3528 163:1457 164:1730 165:1711 166:805 167:1733 168:4124 169:925 170:4934 171:852 172:3480 173:3132 174:1041 175:1188 176:3650 177:5953 178:3554 179:2548 180:2346 181:3394 182:3204 183:1927 184:2357 185:20005 186:5013 187:4535 188:4154 189:3832 190:9179 191:1781 192:11023 193:8791 194:7227 195:5157 196:3226 197:2851 198:6016 199:6103 200:7946 201:6072 202:10389 203:10230 204:4607 205:3488 206:3936 207:3420 208:4109 209:4831 210:4200 211:2344 212:4092 213:3611 214:1070 215:53 216:6532 217:2741 218:1269 219:415 220:2044 221:925 222:655 223:1986 End of report