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 11 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: 916700 Prefixes after maximum aggregation (per Origin AS): 339077 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 434314 Number of IPv4 prefixes with a valid ROA: 345610 Number of IPv4 prefixes with an invalid ROA: 2913 Number of IPv4 prefixes with no ROA: 568177 Total ASes present in the Internet Routing Table: 73267 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 63065 Origin ASes announcing only one prefix: 25362 Transit ASes present in the Internet Routing Table: 10202 Transit-only ASes present in the Internet Routing Table: 358 Paths with bogon ASNs present in the IPv4 Routing Table: 123 Average AS path length visible in the Internet Routing Table: 6.0 Max AS path length visible: 40 Max AS path prepend of ASN ( 37385) 34 Prefixes from unregistered ASNs in the Routing Table: 923 Number of instances of unregistered ASNs: 926 Number of 32-bit ASNs allocated by the RIRs: 39574 Number of 32-bit ASNs visible in the Routing Table: 32847 Prefixes from 32-bit ASNs in the Routing Table: 162262 Number of bogon 32-bit ASNs visible in the Routing Table: 66 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3064600832 Equivalent to 182 /8s, 170 /16s and 25 /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: 316590 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231993 Total APNIC prefixes after maximum aggregation: 66405 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 227383 Unique aggregates announced from the APNIC address blocks: 95415 APNIC Region origin ASes present in the Internet Routing Table: 12679 APNIC Prefixes per ASN: 17.93 APNIC Region origin ASes announcing only one prefix: 3617 APNIC Region transit ASes present in the Internet Routing Table: 1734 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7927 Number of APNIC addresses announced to Internet: 773213440 Equivalent to 46 /8s, 22 /16s and 77 /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: 264972 Total ARIN prefixes after maximum aggregation: 120600 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 264803 Unique aggregates announced from the ARIN address blocks: 126720 ARIN Region origin ASes present in the Internet Routing Table: 19044 ARIN Prefixes per ASN: 13.90 ARIN Region origin ASes announcing only one prefix: 6909 ARIN Region transit ASes present in the Internet Routing Table: 1894 Average ARIN Region AS path length visible: 5.8 Max ARIN Region AS path length visible: 38 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4520 Number of ARIN addresses announced to Internet: 1293154304 Equivalent to 77 /8s, 19 /16s and 248 /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: 262090 Total RIPE prefixes after maximum aggregation: 118164 RIPE Deaggregation factor: 2.22 Prefixes being announced from the RIPE address blocks: 259373 Unique aggregates announced from the RIPE address blocks: 151386 RIPE Region origin ASes present in the Internet Routing Table: 28151 RIPE Prefixes per ASN: 9.21 RIPE Region origin ASes announcing only one prefix: 11996 RIPE Region transit ASes present in the Internet Routing Table: 3873 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10721 Number of RIPE addresses announced to Internet: 713739520 Equivalent to 42 /8s, 138 /16s and 205 /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: 124973 Total LACNIC prefixes after maximum aggregation: 27607 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 124650 Unique aggregates announced from the LACNIC address blocks: 48704 LACNIC Region origin ASes present in the Internet Routing Table: 10992 LACNIC Prefixes per ASN: 11.34 LACNIC Region origin ASes announcing only one prefix: 2310 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: 8698 Number of LACNIC addresses announced to Internet: 176416000 Equivalent to 10 /8s, 131 /16s and 229 /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: 31749 Total AfriNIC prefixes after maximum aggregation: 5587 AfriNIC Deaggregation factor: 5.68 Prefixes being announced from the AfriNIC address blocks: 39987 Unique aggregates announced from the AfriNIC address blocks: 11664 AfriNIC Region origin ASes present in the Internet Routing Table: 1656 AfriNIC Prefixes per ASN: 24.15 AfriNIC Region origin ASes announcing only one prefix: 530 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 107784192 Equivalent to 6 /8s, 108 /16s and 168 /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 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5920 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3551 1330 19 VIETEL-AS-AP Viettel Group, VN 45899 3513 1880 56 VNPT-AS-VN VNPT Corp, VN 7713 3491 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2415 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 2068 851 388 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 6632 10372 2687 AMAZON-02, US 11492 4528 300 650 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3900 3055 360 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3460 1804 2512 AKAMAI-AS, US 6327 3440 1319 64 SHAW, CA 749 2964 50743 2220 DNIC-AS-00749, US 30036 2622 375 192 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2464 2442 341 GOOGLE-CLOUD-PLATFORM, US 209 2438 4961 419 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 6894 1692 17 TTNET, TR 12479 6835 1730 143 UNI2-AS, ES 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3982 3360 198 AKAMAI-ASN1, NL 39891 3873 226 43 ALJAWWALSTC-AS, SA 12389 2933 2273 906 ROSTELECOM-AS, RU 6849 2908 355 21 UKRTELNET, UA 9009 2481 247 1280 M247, GB 34984 2245 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 10708 3401 551 Uninet S.A. de C.V., MX 10620 3488 519 740 Telmex Colombia S.A., CO 11830 2431 369 63 Instituto Costarricense de Electricidad 13999 1857 306 483 Mega Cable, S.A. de C.V., MX 6503 1437 355 525 Axtel, S.A.B. de C.V., MX 28573 1365 2332 273 CLARO S.A., BR 3816 1258 671 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1029 192 442 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 1952 327 63 Telkom-Internet, ZA 24863 1603 393 19 LINKdotNET-AS, EG 24835 1506 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 960 65 57 ORANGE-COTE-IVOIRE, CI 36935 776 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 497 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 10708 3401 551 Uninet S.A. de C.V., MX 9808 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6894 1692 17 TTNET, TR 12479 6835 1730 143 UNI2-AS, ES 16509 6632 10372 2687 AMAZON-02, US 7545 5920 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4528 300 650 CABLEONE, US 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3982 3360 198 AKAMAI-ASN1, NL 7155 3901 264 31 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 9213 9178 CHINAMOBILE-CN China Mobile Communications Grou 9121 6894 6877 TTNET, TR 12479 6835 6692 UNI2-AS, ES 7545 5920 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4001 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6632 3945 AMAZON-02, US 11492 4528 3878 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3873 3830 ALJAWWALSTC-AS, SA 20940 3982 3784 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 /11:99 /12:301 /13:589 /14:1212 /15:2112 /16:13579 /17:8348 /18:14055 /19:25184 /20:43952 /21:52638 /22:109393 /23:99856 /24:545313 /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 6013 6894 TTNET, TR 12479 5812 6835 UNI2-AS, ES 8151 4426 10708 Uninet S.A. de C.V., MX 8551 3467 4001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3431 4528 CABLEONE, US 6327 3249 3440 SHAW, CA 39891 3185 3873 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2906 3900 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) ---------------------------------------------- 1:1928 2:1028 3:157 4:8 5:3969 6:107 7:5 8:1591 9:1 11:172 12:1681 13:333 14:2360 15:209 16:42 17:384 18:171 20:217 21:4 22:188 23:5688 24:2411 25:6 27:2685 29:19 31:2469 32:96 34:3 35:87 36:1804 37:4511 38:3069 39:711 40:162 41:4411 42:1120 43:2227 44:293 45:16878 46:4200 47:327 49:1686 50:2174 51:109 52:1445 54:381 55:757 56:8 57:67 58:1761 59:1098 60:961 61:2289 62:2588 63:1957 64:5580 65:2357 66:4959 67:3017 68:1224 69:4197 70:1329 71:690 72:3117 74:2689 75:1402 76:581 77:2296 78:3975 79:3128 80:2019 81:1781 82:1500 83:1219 84:1337 85:3706 86:713 87:2050 88:2764 89:3399 90:536 91:7696 92:2027 93:2572 94:3519 95:4798 96:1311 97:352 98:1001 99:754 100:77 101:1276 102:2365 103:29411 104:4483 105:2054 106:868 107:2536 108:861 109:4299 110:1980 111:3261 112:2039 113:1504 114:1515 115:2127 116:1894 117:2524 118:2332 119:1849 120:1671 121:1045 122:2550 123:2120 124:1550 125:2078 128:1263 129:1145 130:995 131:2207 132:838 133:378 134:1932 135:285 136:876 137:867 138:2706 139:1524 140:891 141:1429 142:1296 143:1488 144:1209 145:350 146:1838 147:1512 148:2218 149:1749 150:869 151:1079 152:1855 153:541 154:3642 155:1442 156:1822 157:1244 158:1049 159:2214 160:2606 161:1274 162:3502 163:1298 164:1663 165:1653 166:723 167:1733 168:4046 169:883 170:4841 171:833 172:3216 173:3154 174:1019 175:1164 176:3649 177:5774 178:3586 179:2505 180:2289 181:3043 182:3213 183:1932 184:2366 185:19696 186:4719 187:4401 188:4040 189:3663 190:9028 191:1731 192:11042 193:8675 194:7084 195:5034 196:3181 197:2819 198:6024 199:6063 200:7927 201:6040 202:10310 203:10234 204:4553 205:3451 206:3790 207:3396 208:4044 209:4739 210:4231 211:2346 212:4082 213:3453 214:1131 215:66 216:6534 217:2770 218:1275 219:412 220:1943 221:1011 222:652 223:2128 End of report