IPv4 R&E Routing Table Report 20:15 GMT Wed 07 Feb, 2024 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 188458 Prefixes after maximum aggregation (per Origin AS): 82691 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103557 Number of IPv4 prefixes with a valid ROA: 72039 Number of IPv4 prefixes with an invalid ROA: 25 Number of IPv4 prefixes with no ROA: 116394 Total ASes present in the Internet Routing Table: 16143 Prefixes per ASN: 11.67 Origin-only ASes present in the Internet Routing Table: 13985 Origin ASes announcing only one prefix: 6412 Transit ASes present in the Internet Routing Table: 2158 Transit-only ASes present in the Internet Routing Table: 577 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 28 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 227 Number of instances of unregistered ASNs: 227 Number of 32-bit ASNs allocated by the RIRs: 43567 Number of 32-bit ASNs visible in the Routing Table: 5852 Prefixes from 32-bit ASNs in the Routing Table: 19356 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 88 Number of addresses announced to Internet: 1070668345 Equivalent to 63 /8s, 209 /16s and 26 /24s Percentage of available address space announced: 28.9 Percentage of allocated address space announced: 28.9 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: 56273 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28929 Total APNIC prefixes after maximum aggregation: 6535 APNIC Deaggregation factor: 4.43 Prefixes being announced from the APNIC address blocks: 28692 Unique aggregates announced from the APNIC address blocks: 7760 APNIC Region origin ASes present in the Internet Routing Table: 1049 APNIC Prefixes per ASN: 27.35 APNIC Region origin ASes announcing only one prefix: 424 APNIC Region transit ASes present in the Internet Routing Table: 177 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 445 Number of APNIC addresses announced to Internet: 172628872 Equivalent to 10 /8s, 74 /16s and 27 /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: 83079 Total ARIN prefixes after maximum aggregation: 45567 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82398 Unique aggregates announced from the ARIN address blocks: 51658 ARIN Region origin ASes present in the Internet Routing Table: 7369 ARIN Prefixes per ASN: 11.18 ARIN Region origin ASes announcing only one prefix: 3166 ARIN Region transit ASes present in the Internet Routing Table: 648 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1492 Number of ARIN addresses announced to Internet: 606185185 Equivalent to 36 /8s, 33 /16s and 166 /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: 39157 Total RIPE prefixes after maximum aggregation: 18344 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 39094 Unique aggregates announced from the RIPE address blocks: 25532 RIPE Region origin ASes present in the Internet Routing Table: 3595 RIPE Prefixes per ASN: 10.87 RIPE Region origin ASes announcing only one prefix: 1577 RIPE Region transit ASes present in the Internet Routing Table: 532 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1300 Number of RIPE addresses announced to Internet: 189575376 Equivalent to 11 /8s, 76 /16s and 176 /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, 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: 32268 Total LACNIC prefixes after maximum aggregation: 10257 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 32066 Unique aggregates announced from the LACNIC address blocks: 15500 LACNIC Region origin ASes present in the Internet Routing Table: 3255 LACNIC Prefixes per ASN: 9.85 LACNIC Region origin ASes announcing only one prefix: 1165 LACNIC Region transit ASes present in the Internet Routing Table: 642 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2522 Number of LACNIC addresses announced to Internet: 73988608 Equivalent to 4 /8s, 104 /16s and 250 /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: 4798 Total AfriNIC prefixes after maximum aggregation: 1802 AfriNIC Deaggregation factor: 2.66 Prefixes being announced from the AfriNIC address blocks: 6120 Unique aggregates announced from the AfriNIC address blocks: 3021 AfriNIC Region origin ASes present in the Internet Routing Table: 204 AfriNIC Prefixes per ASN: 30.00 AfriNIC Region origin ASes announcing only one prefix: 80 AfriNIC Region transit ASes present in the Internet Routing Table: 56 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 93 Number of AfriNIC addresses announced to Internet: 28240128 Equivalent to 1 /8s, 174 /16s and 233 /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 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1435 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 777 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 56040 438 488 106 CMNET-GUANGDONG-AP China Mobile communi Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9583 11214 3384 AMAZON-02, US 749 3184 54927 2436 DNIC-AS-00749, US 367 2940 3730 1435 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1477 395 656 DNIC-ASBLK-05800-06055, US 4155 1142 74 925 USDA-1, US 7979 979 65 194 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 925 436 851 AKAMAI-AS, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 1370 116 1113 AKAMAI-ASN1, NL 3215 897 4811 301 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 22 Jordan Data Communications, JO 8452 630 1841 12 TE-AS TE-AS, EG 15897 551 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 35819 439 440 74 MOBILY-AS Etihad Etisalat Company Mobil 51167 435 77 184 CONTABO, DE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 5100 1474 922 UNINET, MX 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1044 324 7 Instituto Costarricense de Electricidad 18881 990 1120 28 TELEFONICA BRASIL S.A, BR 11664 586 108 221 Techtel LMDS Comunicaciones Interactiva 26599 549 2941 45 TELEFONICA BRASIL S.A, BR 10620 513 69 429 Telmex Colombia S.A., CO 13999 430 65 173 Mega Cable, S.A. de C.V., MX 27775 297 15 9 Telecommunicationcompany Suriname - Tel Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 577 272 149 LINKdotNET-AS, EG 36914 488 82 3 KENET-AS, KE 36992 488 772 269 ETISALAT-MISR, EG 29571 413 30 213 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 36935 261 67 77 Vodafone-, EG 24835 204 164 112 RAYA-AS, EG 37492 170 471 44 ORANGE-, TN 327687 162 28 3 RENU, UG 37480 141 9 23 Cobranet, NG Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9583 11214 3384 AMAZON-02, US 8151 5100 1474 922 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3184 54927 2436 DNIC-AS-00749, US 367 2940 3730 1435 DNIC-ASBLK-00306-00371, US 11776 1854 256 222 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1477 395 656 DNIC-ASBLK-05800-06055, US 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 9583 6199 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5100 4178 UNINET, MX 11776 1854 1632 ATLANTICBB-JOHNSTOWN, US 367 2940 1505 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1709 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1435 1362 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1435 1328 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1109 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 Transit: 15964 CAMNET-AS, CM 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:11 /9:4 /10:14 /11:29 /12:77 /13:130 /14:362 /15:738 /16:5560 /17:2654 /18:2746 /19:5717 /20:8913 /21:11110 /22:20470 /23:20752 /24:108907 /25:79 /26:51 /27:72 /28:19 /29:21 /30:15 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2785 5100 UNINET, MX 16509 2015 9583 AMAZON-02, US 209 965 1709 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1854 ATLANTICBB-JOHNSTOWN, US 11830 884 1044 Instituto Costarricense de Electricidad y Telec 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 676 813 BRSPD-PUBLIC, US 8376 569 720 Jordan Data Communications, JO 36914 473 488 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:478 3:262 5:1099 6:151 7:5 8:616 11:171 12:255 13:319 14:101 15:280 16:168 17:6 18:672 20:30 21:4 22:188 23:1869 24:537 25:2 27:16 29:19 31:237 32:2 34:2 35:53 36:1110 37:511 38:816 39:523 40:8 41:649 42:14 43:173 44:30 45:2400 46:606 47:148 49:10 50:263 51:468 52:1366 54:301 55:884 57:18 58:5 59:31 60:19 61:61 62:379 63:471 64:1535 65:809 66:1314 67:726 68:153 69:793 70:154 71:194 72:383 74:768 75:393 76:228 77:270 78:553 79:166 80:219 81:212 82:173 83:96 84:186 85:330 86:154 87:156 88:136 89:326 90:97 91:570 92:396 93:800 94:485 95:1127 96:171 97:35 98:132 99:146 100:42 101:25 102:181 103:935 104:710 105:16 106:2 107:299 108:325 109:230 110:30 111:1742 112:446 113:40 114:31 115:10 116:34 117:951 118:45 119:97 120:1088 121:31 122:85 123:20 124:55 125:11 128:415 129:286 130:508 131:777 132:503 133:264 134:330 135:69 136:366 137:448 138:709 139:440 140:531 141:194 142:725 143:606 144:324 145:77 146:483 147:324 148:594 149:513 150:279 151:548 152:356 153:113 154:464 155:652 156:363 157:234 158:318 159:521 160:538 161:439 162:686 163:285 164:596 165:390 166:125 167:393 168:957 169:152 170:1231 171:60 172:963 173:629 174:108 175:37 176:414 177:732 178:278 179:497 180:46 181:963 182:8 183:853 184:215 185:2361 186:1018 187:769 188:540 189:1030 190:3003 191:220 192:3744 193:1336 194:899 195:666 196:456 197:644 198:1952 199:2974 200:2723 201:2602 202:919 203:611 204:1768 205:1629 206:1084 207:1089 208:996 209:1395 210:305 211:445 212:763 213:665 214:1064 215:37 216:1711 217:368 218:515 219:29 220:30 221:292 222:23 223:622 End of report