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 23 Nov, 2024 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: 980831 Prefixes after maximum aggregation (per Origin AS): 368200 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 470834 Number of IPv4 prefixes with a valid ROA: 521190 Number of IPv4 prefixes with an invalid ROA: 515 Number of IPv4 prefixes with no ROA: 459126 Total ASes present in the Internet Routing Table: 76442 Prefixes per ASN: 12.83 Origin-only ASes present in the Internet Routing Table: 65705 Origin ASes announcing only one prefix: 26485 Transit ASes present in the Internet Routing Table: 10737 Transit-only ASes present in the Internet Routing Table: 516 Paths with bogon ASNs present in the IPv4 Routing Table: 77 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 75 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1086 Number of instances of unregistered ASNs: 1100 Number of 32-bit ASNs allocated by the RIRs: 45874 Number of 32-bit ASNs visible in the Routing Table: 37487 Prefixes from 32-bit ASNs in the Routing Table: 200520 Number of bogon 32-bit ASNs visible in the Routing Table: 46 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3025727744 Equivalent to 180 /8s, 88 /16s and 241 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 324335 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254396 Total APNIC prefixes after maximum aggregation: 75121 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 246727 Unique aggregates announced from the APNIC address blocks: 101627 APNIC Region origin ASes present in the Internet Routing Table: 14396 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4407 APNIC Region transit ASes present in the Internet Routing Table: 1892 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9883 Number of APNIC addresses announced to Internet: 755940096 Equivalent to 45 /8s, 14 /16s and 187 /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: 285475 Total ARIN prefixes after maximum aggregation: 126404 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 288309 Unique aggregates announced from the ARIN address blocks: 135891 ARIN Region origin ASes present in the Internet Routing Table: 19168 ARIN Prefixes per ASN: 15.04 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1955 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5065 Number of ARIN addresses announced to Internet: 1265641728 Equivalent to 75 /8s, 112 /16s and 41 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 272517 Total RIPE prefixes after maximum aggregation: 130292 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 269101 Unique aggregates announced from the RIPE address blocks: 169543 RIPE Region origin ASes present in the Internet Routing Table: 28874 RIPE Prefixes per ASN: 9.32 RIPE Region origin ASes announcing only one prefix: 12118 RIPE Region transit ASes present in the Internet Routing Table: 3889 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12168 Number of RIPE addresses announced to Internet: 722254080 Equivalent to 43 /8s, 12 /16s and 185 /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, 53/8, 57/8, 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: 131162 Total LACNIC prefixes after maximum aggregation: 29092 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 128527 Unique aggregates announced from the LACNIC address blocks: 48693 LACNIC Region origin ASes present in the Internet Routing Table: 11179 LACNIC Prefixes per ASN: 11.50 LACNIC Region origin ASes announcing only one prefix: 2335 LACNIC Region transit ASes present in the Internet Routing Table: 2466 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9096 Number of LACNIC addresses announced to Internet: 177435392 Equivalent to 10 /8s, 147 /16s and 115 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 36195 Total AfriNIC prefixes after maximum aggregation: 6614 AfriNIC Deaggregation factor: 5.47 Prefixes being announced from the AfriNIC address blocks: 47658 Unique aggregates announced from the AfriNIC address blocks: 14669 AfriNIC Region origin ASes present in the Internet Routing Table: 1916 AfriNIC Prefixes per ASN: 24.87 AfriNIC Region origin ASes announcing only one prefix: 657 AfriNIC Region transit ASes present in the Internet Routing Table: 369 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 75 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275 Number of AfriNIC addresses announced to Internet: 104194816 Equivalent to 6 /8s, 53 /16s and 227 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10041 8752 83 CHINAMOBILE-CN China Mobile Communication 7545 6122 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4407 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3905 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3905 515 283 BBIL-AP BHARTI Airtel Ltd., IN 7713 3675 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2782 832 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2206 434 190 TATACOMM-AS TATA Communications formerly 45090 2170 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 10999 11950 3967 AMAZON-02, US 174 6486 8766 882 COGENT-174, US 11492 4677 311 552 CABLEONE, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3601 1320 78 SHAW, CA 22773 3403 3035 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3195 23562 2039 ATT-INTERNET4, US 16625 2910 1273 2147 AKAMAI-AS, US 396982 2883 3655 430 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 7652 1709 143 UNI2-AS, ES 39891 4749 290 61 ALJAWWALSTC-AS, SA 20940 3967 3395 128 AKAMAI-ASN1, NL 9009 3676 316 1862 M247, RO 12389 2943 2293 878 ROSTELECOM-AS, RU 34984 2345 360 574 TELLCOM-AS, TR 212238 1841 133 1362 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1604 1852 13 TE-AS TE-AS, EG 62240 1469 97 729 CLOUVIDER Clouvider - Global ASN, GB 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 11507 3221 605 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2535 535 374 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad y 3816 1327 783 201 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 28573 1322 2310 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 28202 1119 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1116 371 22 Telefonica del Peru S.A.A., PE 22884 1070 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 24835 1658 593 29 RAYA-AS, EG 24863 1646 389 16 LINKdotNET-AS, EG 36992 1421 1518 288 ETISALAT-MISR, EG 29571 1408 89 62 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 20011 1100 177 287 INTERNET-SOLUTIONS, ZA 36935 1015 523 46 Vodafone-, EG 37069 886 1083 15 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 548 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 11507 3221 605 UNINET, MX 16509 10999 11950 3967 AMAZON-02, US 9808 10041 8752 83 CHINAMOBILE-CN China Mobile Communication 12479 7652 1709 143 UNI2-AS, ES 174 6486 8766 882 COGENT-174, US 7545 6122 841 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4749 290 61 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 18403 4407 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 287 85 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 10041 9958 CHINAMOBILE-CN China Mobile Communications Grou 12479 7652 7509 UNI2-AS, ES 16509 10999 7032 AMAZON-02, US 174 6486 5604 COGENT-174, US 7545 6122 5463 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4749 4688 ALJAWWALSTC-AS, SA 18403 4407 4384 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3905 3880 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 46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 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 Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 6939 HURRICANE, US 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:36 /11:91 /12:295 /13:577 /14:1186 /15:2095 /16:13214 /17:8276 /18:13828 /19:24538 /20:44606 /21:52631 /22:113100 /23:103859 /24:602467 /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 6660 7652 UNI2-AS, ES 8151 5682 11507 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3440 4749 ALJAWWALSTC-AS, SA 6327 3399 3601 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2534 3403 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2259 10999 AMAZON-02, US 30036 2203 2543 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2275 2:1556 3:521 4:8 5:4747 6:166 7:6 8:1498 9:2 11:172 12:1408 13:351 14:2462 15:336 16:269 17:357 18:902 20:450 21:4 22:188 23:7079 24:2687 25:2 27:2671 29:19 31:3062 32:46 34:74 35:173 36:2386 37:4509 38:10248 39:897 40:150 41:4402 42:2086 43:2492 44:344 45:18466 46:4850 47:298 49:2024 50:1845 51:581 52:1572 54:315 55:946 56:8 57:240 58:2193 59:1184 60:1150 61:2824 62:2901 63:1854 64:5416 65:2289 66:4715 67:3056 68:1310 69:4033 70:1118 71:599 72:2932 74:2798 75:1632 76:634 77:2685 78:1887 79:1654 80:2222 81:2082 82:1775 83:1397 84:1784 85:3153 86:959 87:2431 88:1275 89:4383 90:726 91:8335 92:2619 93:2854 94:3861 95:4238 96:1248 97:313 98:1068 99:733 100:71 101:1419 102:3860 103:32311 104:4459 105:1099 106:980 107:2402 108:1182 109:4070 110:2230 111:3276 112:2042 113:1802 114:1941 115:2197 116:2001 117:2701 118:2783 119:1990 120:1843 121:1361 122:2724 123:2173 124:1614 125:2828 126:62 128:1491 129:1024 130:1288 131:1927 132:812 133:448 134:1526 135:359 136:1275 137:1111 138:3017 139:1533 140:1496 141:1454 142:1842 143:1630 144:1009 145:412 146:2100 147:2051 148:2590 149:2894 150:1151 151:1468 152:2129 153:569 154:7550 155:1557 156:2798 157:1866 158:1220 159:2430 160:3417 161:1775 162:3591 163:1779 164:1956 165:2166 166:1330 167:1873 168:4244 169:806 170:5192 171:995 172:3964 173:3174 174:921 175:1279 176:3581 177:5511 178:3797 179:2458 180:2550 181:4070 182:3356 183:2033 184:2274 185:21466 186:5353 187:4572 188:4256 189:4277 190:9834 191:1952 192:11188 193:9297 194:7693 195:5509 196:3482 197:3634 198:5962 199:8228 200:8428 201:6411 202:10389 203:10599 204:4633 205:3654 206:4620 207:3500 208:4244 209:5126 210:4587 211:2522 212:4561 213:3747 214:1059 215:47 216:6631 217:3150 218:1313 219:401 220:2087 221:1053 222:706 223:2286 End of report