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 27 May, 2023 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: 941670 Prefixes after maximum aggregation (per Origin AS): 349316 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 449555 Number of IPv4 prefixes with a valid ROA: 415292 Number of IPv4 prefixes with an invalid ROA: 1995 Number of IPv4 prefixes with no ROA: 524383 Total ASes present in the Internet Routing Table: 74490 Prefixes per ASN: 12.64 Origin-only ASes present in the Internet Routing Table: 63998 Origin ASes announcing only one prefix: 25801 Transit ASes present in the Internet Routing Table: 10492 Transit-only ASes present in the Internet Routing Table: 435 Paths with bogon ASNs present in the IPv4 Routing Table: 176 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1121 Number of instances of unregistered ASNs: 1121 Number of 32-bit ASNs allocated by the RIRs: 41965 Number of 32-bit ASNs visible in the Routing Table: 34636 Prefixes from 32-bit ASNs in the Routing Table: 178591 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 590 Number of addresses announced to Internet: 3056419584 Equivalent to 182 /8s, 45 /16s and 67 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 319677 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242706 Total APNIC prefixes after maximum aggregation: 68781 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 236673 Unique aggregates announced from the APNIC address blocks: 98021 APNIC Region origin ASes present in the Internet Routing Table: 13402 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 3947 APNIC Region transit ASes present in the Internet Routing Table: 1813 Average APNIC Region AS path length visible: 7.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8732 Number of APNIC addresses announced to Internet: 773020416 Equivalent to 46 /8s, 19 /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, 131072-153913 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: 272744 Total ARIN prefixes after maximum aggregation: 122727 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 275872 Unique aggregates announced from the ARIN address blocks: 130502 ARIN Region origin ASes present in the Internet Routing Table: 19118 ARIN Prefixes per ASN: 14.43 ARIN Region origin ASes announcing only one prefix: 6983 ARIN Region transit ASes present in the Internet Routing Table: 1934 Average ARIN Region AS path length visible: 6.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4802 Number of ARIN addresses announced to Internet: 1280788736 Equivalent to 76 /8s, 87 /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: 263842 Total RIPE prefixes after maximum aggregation: 122766 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 259509 Unique aggregates announced from the RIPE address blocks: 158723 RIPE Region origin ASes present in the Internet Routing Table: 28371 RIPE Prefixes per ASN: 9.15 RIPE Region origin ASes announcing only one prefix: 12021 RIPE Region transit ASes present in the Internet Routing Table: 3916 Average RIPE Region AS path length visible: 6.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11213 Number of RIPE addresses announced to Internet: 717974784 Equivalent to 42 /8s, 203 /16s and 109 /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: 129140 Total LACNIC prefixes after maximum aggregation: 28361 LACNIC Deaggregation factor: 4.55 Prefixes being announced from the LACNIC address blocks: 128205 Unique aggregates announced from the LACNIC address blocks: 49414 LACNIC Region origin ASes present in the Internet Routing Table: 11011 LACNIC Prefixes per ASN: 11.64 LACNIC Region origin ASes announcing only one prefix: 2282 LACNIC Region transit ASes present in the Internet Routing Table: 2295 Average LACNIC Region AS path length visible: 7.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8795 Number of LACNIC addresses announced to Internet: 177064704 Equivalent to 10 /8s, 141 /16s and 203 /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: 32117 Total AfriNIC prefixes after maximum aggregation: 5872 AfriNIC Deaggregation factor: 5.47 Prefixes being announced from the AfriNIC address blocks: 40821 Unique aggregates announced from the AfriNIC address blocks: 12409 AfriNIC Region origin ASes present in the Internet Routing Table: 1745 AfriNIC Prefixes per ASN: 23.39 AfriNIC Region origin ASes announcing only one prefix: 568 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 107172608 Equivalent to 6 /8s, 99 /16s and 83 /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 9476 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5720 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4186 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3571 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3467 1856 97 VNPT-AS-VN VNPT Corp, VN 9498 2967 492 241 BBIL-AP BHARTI Airtel Ltd., IN 24560 2399 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2299 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2153 442 197 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 8302 10782 2988 AMAZON-02, US 11492 4525 300 605 CABLEONE, US 7155 4041 282 62 VIASAT-SP-BACKBONE, US 22773 3565 3036 269 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1320 64 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3085 1548 2334 AKAMAI-AS, US 396982 2656 3592 373 GOOGLE-CLOUD-PLATFORM, US 30036 2505 361 423 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2481 24001 1560 ATT-INTERNET4, 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 7308 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4107 3398 159 AKAMAI-ASN1, NL 8551 3878 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2292 910 ROSTELECOM-AS, RU 9009 2674 249 1396 M247, RO 34984 2279 360 607 TELLCOM-AS, TR 6849 1993 307 17 UKRTELNET, UA 58224 1829 945 534 TCI, IR 61317 1649 110 1237 ASDETUK www.heficed.com, US 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 11318 3355 591 Uninet S.A. de C.V., MX 10620 3522 508 853 Telmex Colombia S.A., CO 13999 2360 364 629 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1103 370 22 Telefonica del Peru S.A.A., PE 11664 1095 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1038 2498 45 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 24863 1572 393 19 LINKdotNET-AS, EG 24835 1538 533 29 RAYA-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1030 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 37457 813 319 46 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 15399 529 54 42 WANANCHI-, KE 36914 522 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 11318 3355 591 Uninet S.A. de C.V., MX 9808 9476 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8302 10782 2988 AMAZON-02, US 12479 7308 1707 141 UNI2-AS, ES 7545 5720 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4525 300 605 CABLEONE, US 18403 4186 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4107 3398 159 AKAMAI-ASN1, NL 7155 4041 282 62 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 9476 9439 CHINAMOBILE-CN China Mobile Communications Grou 12479 7308 7167 UNI2-AS, ES 16509 8302 5314 AMAZON-02, US 7545 5720 5027 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4186 4161 FPT-AS-AP FPT Telecom Company, VN 7155 4041 3979 VIASAT-SP-BACKBONE, US 20940 4107 3948 AKAMAI-ASN1, NL 11492 4525 3920 CABLEONE, US 8551 3878 3844 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.154.40.0/24 Origin: 18470 -Reserved AS-, US 23.154.40.0/24 Transit: 21700 NEPTUNE-NETWORKS, US 23.154.56.0/24 Origin: 17024 -Reserved AS-, US 23.154.56.0/24 Transit: 36369 LIMEWAVE, CA 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 /9:14 /10:38 /11:103 /12:301 /13:580 /14:1208 /15:2120 /16:13547 /17:8277 /18:14018 /19:25211 /20:43882 /21:52296 /22:110801 /23:101769 /24:567489 /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 6386 7308 UNI2-AS, ES 8151 5280 11318 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 8551 3351 3878 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3526 SHAW, CA 7155 3064 4041 VIASAT-SP-BACKBONE, US 22773 2633 3565 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2075 3522 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) ---------------------------------------------- 1:2144 2:1316 3:181 4:7 5:4633 6:129 7:6 8:1557 9:1 11:172 12:1538 13:385 14:2298 15:304 16:191 17:374 18:421 20:262 21:4 22:188 23:6310 24:2995 25:6 27:2579 29:19 31:2534 32:84 34:21 35:110 36:1973 37:4682 38:4755 39:846 40:151 41:4441 42:1969 43:2377 44:315 45:17676 46:4389 47:362 49:1756 50:1886 51:584 52:1593 54:392 55:843 56:8 57:125 58:1893 59:1068 60:985 61:2572 62:2791 63:1936 64:5820 65:2333 66:5152 67:2959 68:1360 69:4170 70:1369 71:678 72:3069 74:2630 75:1585 76:606 77:2544 78:1887 79:3184 80:2158 81:1813 82:1499 83:1281 84:1534 85:3036 86:764 87:2021 88:1221 89:3752 90:616 91:7866 92:2069 93:2621 94:3694 95:4067 96:1302 97:336 98:1136 99:745 100:69 101:1314 102:3033 103:31523 104:4703 105:901 106:923 107:2588 108:1055 109:4437 110:2091 111:3111 112:2040 113:1763 114:1655 115:2071 116:1902 117:2549 118:2620 119:2014 120:1800 121:1080 122:2621 123:2174 124:1561 125:2473 128:1478 129:1127 130:1036 131:2160 132:869 133:422 134:1921 135:349 136:878 137:974 138:2903 139:1539 140:1247 141:1435 142:1452 143:1623 144:1154 145:347 146:1962 147:1602 148:2399 149:2260 150:891 151:1154 152:1964 153:573 154:4617 155:1442 156:1809 157:1331 158:1083 159:2235 160:2625 161:1553 162:3552 163:1601 164:1654 165:1832 166:1092 167:1761 168:4158 169:971 170:4988 171:900 172:3585 173:2973 174:1046 175:1194 176:3770 177:6090 178:3605 179:2580 180:2527 181:3546 182:3350 183:2067 184:2343 185:20482 186:5284 187:4593 188:4241 189:4053 190:9269 191:1960 192:10980 193:8913 194:7371 195:5224 196:3333 197:2744 198:5969 199:6117 200:8352 201:6154 202:10610 203:10463 204:4600 205:3703 206:4304 207:3480 208:4117 209:4921 210:4265 211:2448 212:4253 213:3652 214:1081 215:59 216:6699 217:2820 218:1285 219:416 220:1755 221:973 222:710 223:2152 End of report