IPv4 R&E Routing Table Report 20:15 GMT Thu 01 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: 188992 Prefixes after maximum aggregation (per Origin AS): 82781 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103732 Number of IPv4 prefixes with a valid ROA: 72758 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 116211 Total ASes present in the Internet Routing Table: 16036 Prefixes per ASN: 11.79 Origin-only ASes present in the Internet Routing Table: 13896 Origin ASes announcing only one prefix: 6381 Transit ASes present in the Internet Routing Table: 2140 Transit-only ASes present in the Internet Routing Table: 589 Paths with bogon ASNs present in the IPv4 Routing Table: 11 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: 235 Number of instances of unregistered ASNs: 235 Number of 32-bit ASNs allocated by the RIRs: 43528 Number of 32-bit ASNs visible in the Routing Table: 5774 Prefixes from 32-bit ASNs in the Routing Table: 19387 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: 79 Number of addresses announced to Internet: 1073413689 Equivalent to 63 /8s, 250 /16s and 254 /24s Percentage of available address space announced: 29.0 Percentage of allocated address space announced: 29.0 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: 56386 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28912 Total APNIC prefixes after maximum aggregation: 6593 APNIC Deaggregation factor: 4.39 Prefixes being announced from the APNIC address blocks: 28658 Unique aggregates announced from the APNIC address blocks: 7754 APNIC Region origin ASes present in the Internet Routing Table: 1064 APNIC Prefixes per ASN: 26.93 APNIC Region origin ASes announcing only one prefix: 438 APNIC Region transit ASes present in the Internet Routing Table: 174 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: 458 Number of APNIC addresses announced to Internet: 172675208 Equivalent to 10 /8s, 74 /16s and 208 /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: 83367 Total ARIN prefixes after maximum aggregation: 45732 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82588 Unique aggregates announced from the ARIN address blocks: 51749 ARIN Region origin ASes present in the Internet Routing Table: 7381 ARIN Prefixes per ASN: 11.19 ARIN Region origin ASes announcing only one prefix: 3171 ARIN Region transit ASes present in the Internet Routing Table: 657 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: 1507 Number of ARIN addresses announced to Internet: 606715105 Equivalent to 36 /8s, 41 /16s and 188 /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: 39394 Total RIPE prefixes after maximum aggregation: 18354 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 39514 Unique aggregates announced from the RIPE address blocks: 25726 RIPE Region origin ASes present in the Internet Routing Table: 3580 RIPE Prefixes per ASN: 11.04 RIPE Region origin ASes announcing only one prefix: 1562 RIPE Region transit ASes present in the Internet Routing Table: 530 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: 1296 Number of RIPE addresses announced to Internet: 191789520 Equivalent to 11 /8s, 110 /16s and 121 /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: 32408 Total LACNIC prefixes after maximum aggregation: 10240 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 32152 Unique aggregates announced from the LACNIC address blocks: 15684 LACNIC Region origin ASes present in the Internet Routing Table: 3122 LACNIC Prefixes per ASN: 10.30 LACNIC Region origin ASes announcing only one prefix: 1127 LACNIC Region transit ASes present in the Internet Routing Table: 618 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2415 Number of LACNIC addresses announced to Internet: 73874176 Equivalent to 4 /8s, 103 /16s and 59 /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: 4676 Total AfriNIC prefixes after maximum aggregation: 1672 AfriNIC Deaggregation factor: 2.80 Prefixes being announced from the AfriNIC address blocks: 6001 Unique aggregates announced from the AfriNIC address blocks: 2742 AfriNIC Region origin ASes present in the Internet Routing Table: 206 AfriNIC Prefixes per ASN: 29.13 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 59 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 98 Number of AfriNIC addresses announced to Internet: 28317184 Equivalent to 1 /8s, 176 /16s and 22 /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 9639 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 600 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 439 488 106 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 9573 11244 3360 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2914 3722 1412 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1486 394 661 DNIC-ASBLK-05800-06055, US 4155 1118 73 909 USDA-1, US 7979 974 64 193 SERVERS-COM, US 855 963 255 83 CANET-ASN-4, CA 16625 955 451 876 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 1391 118 1132 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 631 1841 12 TE-AS TE-AS, EG 15897 559 183 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 5254 1531 956 UNINET, MX 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1044 324 7 Instituto Costarricense de Electricidad 18881 987 1120 28 TELEFONICA BRASIL S.A, BR 11664 585 107 219 Techtel LMDS Comunicaciones Interactiva 26599 549 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 430 65 173 Mega Cable, S.A. de C.V., MX 27775 317 19 5 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 528 272 155 LINKdotNET-AS, EG 36914 486 82 3 KENET-AS, KE 29571 409 30 210 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36992 316 689 171 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 212 166 119 RAYA-AS, EG 15706 203 32 7 Sudatel, SD 37492 170 471 44 ORANGE-, TN 327687 162 28 3 RENU, UG 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 9639 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9573 11244 3360 AMAZON-02, US 8151 5254 1531 956 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2914 3722 1412 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1709 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 5972 1486 394 661 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 9573 6213 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5254 4298 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2914 1502 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 /14:366 /15:741 /16:5567 /17:2664 /18:2797 /19:5743 /20:9114 /21:11294 /22:20617 /23:20770 /24:108785 /25:82 /26:52 /27:73 /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 2851 5254 UNINET, MX 16509 2017 9573 AMAZON-02, US 209 965 1709 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 11830 884 1044 Instituto Costarricense de Electricidad y Telec 6147 687 1089 Telefonica del Peru S.A.A., PE 19901 667 804 BRSPD-PUBLIC, US 8376 570 720 Jordan Data Communications, JO 15897 479 559 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:481 3:258 5:1103 6:150 7:5 8:621 11:171 12:256 13:320 14:100 15:280 16:168 17:6 18:670 20:30 21:4 22:188 23:1847 24:539 25:2 27:15 29:19 31:234 32:2 34:2 35:53 36:1110 37:536 38:847 39:524 40:8 41:627 42:13 43:174 44:38 45:2358 46:600 47:149 49:14 50:288 51:468 52:1366 54:320 55:865 57:18 58:5 59:32 60:19 61:60 62:332 63:481 64:1535 65:822 66:1323 67:723 68:152 69:762 70:153 71:210 72:375 74:765 75:392 76:207 77:244 78:565 79:167 80:198 81:219 82:181 83:97 84:175 85:331 86:150 87:169 88:144 89:311 90:97 91:572 92:393 93:792 94:548 95:1101 96:169 97:35 98:132 99:147 100:42 101:22 102:192 103:935 104:751 105:16 106:2 107:285 108:369 109:240 110:26 111:1743 112:446 113:39 114:30 115:10 116:30 117:947 118:45 119:96 120:1088 121:32 122:86 123:20 124:55 125:11 128:410 129:286 130:505 131:779 132:508 133:263 134:332 135:67 136:369 137:447 138:710 139:447 140:517 141:177 142:725 143:603 144:322 145:77 146:485 147:331 148:578 149:516 150:278 151:549 152:352 153:113 154:464 155:654 156:356 157:237 158:314 159:519 160:538 161:456 162:694 163:272 164:595 165:399 166:127 167:383 168:965 169:150 170:1198 171:61 172:975 173:648 174:108 175:38 176:425 177:698 178:290 179:490 180:43 181:1001 182:8 183:858 184:210 185:2314 186:1012 187:750 188:549 189:1025 190:2983 191:230 192:3740 193:1343 194:886 195:671 196:465 197:646 198:1951 199:2947 200:2728 201:2597 202:896 203:595 204:1756 205:1632 206:1099 207:1091 208:995 209:1389 210:305 211:448 212:775 213:667 214:1061 215:37 216:1723 217:352 218:515 219:29 220:29 221:292 222:23 223:621 End of report