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 17 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: 934928 Prefixes after maximum aggregation (per Origin AS): 347035 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 443522 Number of IPv4 prefixes with a valid ROA: 383779 Number of IPv4 prefixes with an invalid ROA: 2733 Number of IPv4 prefixes with no ROA: 548416 Total ASes present in the Internet Routing Table: 73925 Prefixes per ASN: 12.65 Origin-only ASes present in the Internet Routing Table: 63780 Origin ASes announcing only one prefix: 25567 Transit ASes present in the Internet Routing Table: 10145 Transit-only ASes present in the Internet Routing Table: 407 Paths with bogon ASNs present in the IPv4 Routing Table: 117 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1015 Number of instances of unregistered ASNs: 1015 Number of 32-bit ASNs allocated by the RIRs: 40928 Number of 32-bit ASNs visible in the Routing Table: 33885 Prefixes from 32-bit ASNs in the Routing Table: 172439 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3061795840 Equivalent to 182 /8s, 127 /16s and 76 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 322994 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236527 Total APNIC prefixes after maximum aggregation: 67977 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 231434 Unique aggregates announced from the APNIC address blocks: 97351 APNIC Region origin ASes present in the Internet Routing Table: 13129 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3822 APNIC Region transit ASes present in the Internet Routing Table: 1740 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8414 Number of APNIC addresses announced to Internet: 773348096 Equivalent to 46 /8s, 24 /16s and 91 /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: 269592 Total ARIN prefixes after maximum aggregation: 121998 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 271203 Unique aggregates announced from the ARIN address blocks: 129438 ARIN Region origin ASes present in the Internet Routing Table: 19058 ARIN Prefixes per ASN: 14.23 ARIN Region origin ASes announcing only one prefix: 6979 ARIN Region transit ASes present in the Internet Routing Table: 1847 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4697 Number of ARIN addresses announced to Internet: 1288147968 Equivalent to 76 /8s, 199 /16s and 148 /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: 266964 Total RIPE prefixes after maximum aggregation: 122216 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 263646 Unique aggregates announced from the RIPE address blocks: 155502 RIPE Region origin ASes present in the Internet Routing Table: 28196 RIPE Prefixes per ASN: 9.35 RIPE Region origin ASes announcing only one prefix: 11962 RIPE Region transit ASes present in the Internet Routing Table: 3822 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10939 Number of RIPE addresses announced to Internet: 715549440 Equivalent to 42 /8s, 166 /16s and 107 /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: 128099 Total LACNIC prefixes after maximum aggregation: 28299 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 127326 Unique aggregates announced from the LACNIC address blocks: 48811 LACNIC Region origin ASes present in the Internet Routing Table: 11013 LACNIC Prefixes per ASN: 11.56 LACNIC Region origin ASes announcing only one prefix: 2250 LACNIC Region transit ASes present in the Internet Routing Table: 2249 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8778 Number of LACNIC addresses announced to Internet: 175952896 Equivalent to 10 /8s, 124 /16s and 212 /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: 32731 Total AfriNIC prefixes after maximum aggregation: 5775 AfriNIC Deaggregation factor: 5.67 Prefixes being announced from the AfriNIC address blocks: 40800 Unique aggregates announced from the AfriNIC address blocks: 11995 AfriNIC Region origin ASes present in the Internet Routing Table: 1723 AfriNIC Prefixes per ASN: 23.68 AfriNIC Region origin ASes announcing only one prefix: 554 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1057 Number of AfriNIC addresses announced to Internet: 108499456 Equivalent to 6 /8s, 119 /16s and 146 /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 9155 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5932 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2682 499 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2320 849 425 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2285 11250 590 KIXS-AS-KR Korea Telecom, KR 45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2165 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 7743 10639 2910 AMAZON-02, US 11492 4545 301 564 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3711 3067 335 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3518 1834 2530 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2613 24143 1581 ATT-INTERNET4, US 396982 2575 3493 370 GOOGLE-CLOUD-PLATFORM, US 30036 2564 368 378 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 6936 1706 146 UNI2-AS, ES 9121 6004 1692 17 TTNET, TR 39891 4487 264 56 ALJAWWALSTC-AS, SA 20940 4091 3400 179 AKAMAI-ASN1, NL 8551 3700 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 47331 2947 436 2219 TTNET, TR 12389 2917 2290 906 ROSTELECOM-AS, RU 9009 2655 252 1361 M247, RO 6849 2262 339 20 UKRTELNET, UA 34984 2255 358 611 TELLCOM-AS, 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 10901 3338 592 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2173 356 576 Mega Cable, S.A. de C.V., MX 28573 1339 2327 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1229 338 519 Axtel, S.A.B. de C.V., MX 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1137 184 473 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 1550 537 31 RAYA-AS, EG 24863 1531 393 21 LINKdotNET-AS, EG 36992 1362 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 40 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 506 52 36 WANANCHI-, KE 36914 484 82 3 KENET-AS, 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 10901 3338 592 Uninet S.A. de C.V., MX 9808 9155 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7743 10639 2910 AMAZON-02, US 12479 6936 1706 146 UNI2-AS, ES 9121 6004 1692 17 TTNET, TR 7545 5932 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4545 301 564 CABLEONE, US 39891 4487 264 56 ALJAWWALSTC-AS, SA 20940 4091 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 9155 9108 CHINAMOBILE-CN China Mobile Communications Grou 12479 6936 6790 UNI2-AS, ES 9121 6004 5987 TTNET, TR 7545 5932 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7743 4833 AMAZON-02, US 39891 4487 4431 ALJAWWALSTC-AS, SA 11492 4545 3981 CABLEONE, US 20940 4091 3912 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3700 3662 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 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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: 16637 MTNNS-AS, ZA 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 16637 MTNNS-AS, ZA 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 16637 MTNNS-AS, ZA 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 6939 HURRICANE, US 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6939 HURRICANE, 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 /12:296 /13:586 /14:1205 /15:2102 /16:13571 /17:8386 /18:14081 /19:25205 /20:43937 /21:53095 /22:111168 /23:101436 /24:559693 /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 5979 6936 UNI2-AS, ES 9121 5208 6004 TTNET, TR 8151 4891 10901 Uninet S.A. de C.V., MX 39891 3542 4487 ALJAWWALSTC-AS, SA 11492 3452 4545 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3165 3700 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2731 3711 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2539 2947 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1645 2:1236 3:168 4:7 5:4297 6:110 7:5 8:1579 9:1 11:172 12:1611 13:373 14:2369 15:287 16:75 17:373 18:405 20:247 21:4 22:188 23:6035 24:2515 25:4 27:2780 29:19 31:2528 32:112 34:8 35:95 36:1846 37:4652 38:3940 39:823 40:154 41:4418 42:1075 43:2332 44:310 45:17680 46:4257 47:381 49:1717 50:1944 51:375 52:1524 54:395 55:824 56:8 57:90 58:1772 59:1108 60:1009 61:2467 62:2698 63:1957 64:5670 65:2343 66:5016 67:3066 68:1391 69:4175 70:1257 71:673 72:3069 74:2634 75:1471 76:596 77:2437 78:4029 79:2946 80:2086 81:1861 82:1487 83:1246 84:1510 85:3823 86:742 87:2020 88:2893 89:3569 90:581 91:7731 92:1985 93:2580 94:3586 95:4850 96:1316 97:345 98:1177 99:741 100:75 101:1294 102:2880 103:30805 104:4632 105:1994 106:846 107:2546 108:929 109:4346 110:2047 111:3267 112:2031 113:1532 114:1612 115:2134 116:1884 117:2487 118:2295 119:1905 120:1699 121:1059 122:2595 123:2179 124:1529 125:2278 128:1325 129:1057 130:979 131:2209 132:863 133:400 134:1900 135:338 136:888 137:932 138:2861 139:1504 140:1029 141:1488 142:1422 143:1527 144:1195 145:353 146:1902 147:1526 148:2259 149:1877 150:875 151:1151 152:1965 153:555 154:3890 155:1423 156:1639 157:1301 158:1047 159:2236 160:2676 161:1439 162:3568 163:1499 164:1738 165:1689 166:824 167:1754 168:4153 169:954 170:5001 171:886 172:3547 173:3081 174:1027 175:1180 176:3689 177:6092 178:3556 179:2612 180:2372 181:3434 182:3231 183:1915 184:2365 185:20181 186:5062 187:4557 188:4186 189:3874 190:9185 191:1783 192:11028 193:8851 194:7254 195:5188 196:3228 197:2712 198:6014 199:6115 200:8102 201:6097 202:10479 203:10220 204:4614 205:3520 206:3865 207:3401 208:4136 209:4860 210:4240 211:2411 212:4115 213:3581 214:1104 215:55 216:6624 217:2736 218:1263 219:417 220:2032 221:956 222:666 223:1997 End of report