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 31 Dec, 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: 935598 Prefixes after maximum aggregation (per Origin AS): 347437 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 444494 Number of IPv4 prefixes with a valid ROA: 384660 Number of IPv4 prefixes with an invalid ROA: 2689 Number of IPv4 prefixes with no ROA: 548249 Total ASes present in the Internet Routing Table: 74073 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 63470 Origin ASes announcing only one prefix: 25632 Transit ASes present in the Internet Routing Table: 10603 Transit-only ASes present in the Internet Routing Table: 430 Paths with bogon ASNs present in the IPv4 Routing Table: 129 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1064 Number of instances of unregistered ASNs: 1075 Number of 32-bit ASNs allocated by the RIRs: 40998 Number of 32-bit ASNs visible in the Routing Table: 33988 Prefixes from 32-bit ASNs in the Routing Table: 172928 Number of bogon 32-bit ASNs visible in the Routing Table: 78 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 523 Number of addresses announced to Internet: 3065836544 Equivalent to 182 /8s, 188 /16s and 244 /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: 323466 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236557 Total APNIC prefixes after maximum aggregation: 68148 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 231423 Unique aggregates announced from the APNIC address blocks: 97564 APNIC Region origin ASes present in the Internet Routing Table: 13182 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 3849 APNIC Region transit ASes present in the Internet Routing Table: 1778 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8469 Number of APNIC addresses announced to Internet: 773371904 Equivalent to 46 /8s, 24 /16s and 184 /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: 269521 Total ARIN prefixes after maximum aggregation: 122101 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 271156 Unique aggregates announced from the ARIN address blocks: 129584 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.21 ARIN Region origin ASes announcing only one prefix: 6984 ARIN Region transit ASes present in the Internet Routing Table: 1973 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4710 Number of ARIN addresses announced to Internet: 1287997696 Equivalent to 76 /8s, 197 /16s and 73 /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: 267343 Total RIPE prefixes after maximum aggregation: 122262 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 264020 Unique aggregates announced from the RIPE address blocks: 155938 RIPE Region origin ASes present in the Internet Routing Table: 28233 RIPE Prefixes per ASN: 9.35 RIPE Region origin ASes announcing only one prefix: 11993 RIPE Region transit ASes present in the Internet Routing Table: 4013 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10972 Number of RIPE addresses announced to Internet: 719649536 Equivalent to 42 /8s, 228 /16s and 251 /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: 128362 Total LACNIC prefixes after maximum aggregation: 28344 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 127553 Unique aggregates announced from the LACNIC address blocks: 48930 LACNIC Region origin ASes present in the Internet Routing Table: 11013 LACNIC Prefixes per ASN: 11.58 LACNIC Region origin ASes announcing only one prefix: 2249 LACNIC Region transit ASes present in the Internet Routing Table: 2311 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8774 Number of LACNIC addresses announced to Internet: 176025856 Equivalent to 10 /8s, 125 /16s and 241 /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: 32751 Total AfriNIC prefixes after maximum aggregation: 5793 AfriNIC Deaggregation factor: 5.65 Prefixes being announced from the AfriNIC address blocks: 40923 Unique aggregates announced from the AfriNIC address blocks: 12054 AfriNIC Region origin ASes present in the Internet Routing Table: 1725 AfriNIC Prefixes per ASN: 23.72 AfriNIC Region origin ASes announcing only one prefix: 557 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: 1063 Number of AfriNIC addresses announced to Internet: 108492032 Equivalent to 6 /8s, 119 /16s and 117 /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 9218 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3522 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3373 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2687 499 240 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 848 439 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 45090 2197 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2163 440 215 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 7756 10638 2924 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3691 3062 318 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3477 1801 2515 AKAMAI-AS, US 749 3025 50577 2292 DNIC-AS-00749, US 7018 2628 24134 1593 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 MEDIACOM-ENTERPRISE-BUSINESS, 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 6944 1706 146 UNI2-AS, ES 9121 6118 1692 17 TTNET, TR 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4062 3400 179 AKAMAI-ASN1, NL 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2919 2290 908 ROSTELECOM-AS, RU 47331 2818 413 2125 TTNET, TR 9009 2647 252 1355 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2249 339 20 UKRTELNET, UA 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 10933 3340 590 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2197 360 590 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1133 186 466 Techtel LMDS Comunicaciones Interactiva 26615 991 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 1895 326 57 Telkom-Internet, ZA 24835 1538 535 31 RAYA-AS, EG 24863 1467 393 21 LINKdotNET-AS, EG 36992 1319 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1014 67 40 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 503 51 35 WANANCHI-, KE 37342 494 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 10933 3340 590 Uninet S.A. de C.V., MX 9808 9218 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7756 10638 2924 AMAZON-02, US 12479 6944 1706 146 UNI2-AS, ES 9121 6118 1692 17 TTNET, TR 7545 5945 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4560 269 57 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4062 3400 179 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 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 9218 9171 CHINAMOBILE-CN China Mobile Communications Grou 12479 6944 6798 UNI2-AS, ES 9121 6118 6101 TTNET, TR 7545 5945 5243 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7756 4832 AMAZON-02, US 39891 4560 4503 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4062 3883 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3699 3661 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /11:101 /12:297 /13:586 /14:1207 /15:2101 /16:13578 /17:8387 /18:14081 /19:25166 /20:43881 /21:53016 /22:111123 /23:101516 /24:560491 /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 5991 6944 UNI2-AS, ES 9121 5294 6118 TTNET, TR 8151 4920 10933 Uninet S.A. de C.V., MX 39891 3551 4560 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3164 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2723 3691 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2438 2818 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1626 2:1246 3:168 4:7 5:4339 6:110 7:5 8:1575 9:1 11:172 12:1594 13:372 14:2367 15:282 16:76 17:371 18:410 20:247 21:4 22:188 23:6031 24:2521 25:4 27:2792 29:19 31:2527 32:106 34:8 35:95 36:1854 37:4653 38:4011 39:823 40:154 41:4404 42:1038 43:2334 44:312 45:17698 46:4283 47:381 49:1720 50:1942 51:375 52:1543 54:396 55:824 56:8 57:89 58:1748 59:1111 60:1005 61:2473 62:2693 63:1945 64:5670 65:2341 66:4993 67:3077 68:1393 69:4167 70:1255 71:664 72:3063 74:2616 75:1472 76:595 77:2473 78:4030 79:2948 80:2085 81:1869 82:1487 83:1241 84:1518 85:3782 86:744 87:2022 88:2915 89:3592 90:589 91:7745 92:1990 93:2589 94:3587 95:4874 96:1315 97:345 98:1180 99:741 100:75 101:1295 102:2884 103:30910 104:4629 105:1993 106:848 107:2544 108:924 109:4424 110:2043 111:3269 112:2028 113:1525 114:1615 115:2134 116:1876 117:2490 118:2290 119:1887 120:1715 121:1064 122:2605 123:2182 124:1528 125:2278 128:1331 129:1139 130:986 131:2197 132:860 133:404 134:1898 135:341 136:888 137:928 138:2868 139:1503 140:1029 141:1489 142:1422 143:1523 144:1194 145:353 146:1897 147:1552 148:2299 149:1862 150:873 151:1139 152:1974 153:559 154:3937 155:1417 156:1658 157:1309 158:1049 159:2250 160:2672 161:1436 162:3581 163:1513 164:1733 165:1706 166:827 167:1755 168:4189 169:949 170:5007 171:887 172:3524 173:3084 174:1025 175:1180 176:3697 177:6128 178:3550 179:2608 180:2381 181:3448 182:3241 183:1912 184:2367 185:20158 186:5104 187:4544 188:4222 189:3857 190:9165 191:1847 192:11002 193:8868 194:7260 195:5184 196:3224 197:2772 198:6006 199:6132 200:8104 201:6129 202:10466 203:10213 204:4610 205:3499 206:3880 207:3407 208:4130 209:4862 210:4234 211:2397 212:4135 213:3583 214:1105 215:55 216:6644 217:2743 218:1266 219:415 220:2032 221:962 222:663 223:1982 End of report