IPv4 R&E Routing Table Report 20:15 GMT Tue 16 Jan, 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: 187881 Prefixes after maximum aggregation (per Origin AS): 82487 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 102705 Number of IPv4 prefixes with a valid ROA: 71628 Number of IPv4 prefixes with an invalid ROA: 30 Number of IPv4 prefixes with no ROA: 116223 Total ASes present in the Internet Routing Table: 16094 Prefixes per ASN: 11.67 Origin-only ASes present in the Internet Routing Table: 13979 Origin ASes announcing only one prefix: 6433 Transit ASes present in the Internet Routing Table: 2115 Transit-only ASes present in the Internet Routing Table: 587 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: 26 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 236 Number of instances of unregistered ASNs: 236 Number of 32-bit ASNs allocated by the RIRs: 43390 Number of 32-bit ASNs visible in the Routing Table: 5744 Prefixes from 32-bit ASNs in the Routing Table: 18767 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: 77 Number of addresses announced to Internet: 1071672745 Equivalent to 63 /8s, 224 /16s and 109 /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: 56516 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28137 Total APNIC prefixes after maximum aggregation: 6327 APNIC Deaggregation factor: 4.45 Prefixes being announced from the APNIC address blocks: 27952 Unique aggregates announced from the APNIC address blocks: 7122 APNIC Region origin ASes present in the Internet Routing Table: 1076 APNIC Prefixes per ASN: 25.98 APNIC Region origin ASes announcing only one prefix: 458 APNIC Region transit ASes present in the Internet Routing Table: 181 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: 469 Number of APNIC addresses announced to Internet: 166780040 Equivalent to 9 /8s, 240 /16s and 220 /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: 83061 Total ARIN prefixes after maximum aggregation: 45757 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82111 Unique aggregates announced from the ARIN address blocks: 51364 ARIN Region origin ASes present in the Internet Routing Table: 7373 ARIN Prefixes per ASN: 11.14 ARIN Region origin ASes announcing only one prefix: 3171 ARIN Region transit ASes present in the Internet Routing Table: 653 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: 1498 Number of ARIN addresses announced to Internet: 606365409 Equivalent to 36 /8s, 36 /16s and 102 /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: 39875 Total RIPE prefixes after maximum aggregation: 18463 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 40119 Unique aggregates announced from the RIPE address blocks: 26130 RIPE Region origin ASes present in the Internet Routing Table: 3740 RIPE Prefixes per ASN: 10.73 RIPE Region origin ASes announcing only one prefix: 1616 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: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1363 Number of RIPE addresses announced to Internet: 196665152 Equivalent to 11 /8s, 184 /16s and 223 /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: 31882 Total LACNIC prefixes after maximum aggregation: 10037 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 31649 Unique aggregates announced from the LACNIC address blocks: 15263 LACNIC Region origin ASes present in the Internet Routing Table: 3021 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 1112 LACNIC Region transit ASes present in the Internet Routing Table: 592 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: 2316 Number of LACNIC addresses announced to Internet: 73530112 Equivalent to 4 /8s, 97 /16s and 251 /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: 4690 Total AfriNIC prefixes after maximum aggregation: 1717 AfriNIC Deaggregation factor: 2.73 Prefixes being announced from the AfriNIC address blocks: 5973 Unique aggregates announced from the AfriNIC address blocks: 2751 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 29.14 AfriNIC Region origin ASes announcing only one prefix: 76 AfriNIC Region transit ASes present in the Internet Routing Table: 53 Average AfriNIC Region AS path length visible: 5.6 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: 28291840 Equivalent to 1 /8s, 175 /16s and 179 /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 9590 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1479 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1436 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1430 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 771 168 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 56040 446 488 105 CMNET-GUANGDONG-AP China Mobile communi 7497 438 180 23 CSTNET-AS-AP Computer Network Informati 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 9482 11202 3361 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2973 3833 1430 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1704 4899 325 CENTURYLINK-US-LEGACY-QWEST, US 5972 1512 394 672 DNIC-ASBLK-05800-06055, US 4155 1002 65 833 USDA-1, US 855 961 255 82 CANET-ASN-4, CA 7979 958 63 192 SERVERS-COM, US 16625 937 433 863 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 1407 119 1130 AKAMAI-ASN1, NL 3215 899 4811 303 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 733 60 22 Jordan Data Communications, JO 34984 698 78 433 TELLCOM-AS, TR 8452 640 1841 12 TE-AS TE-AS, EG 15897 567 183 24 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 51167 431 75 181 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 5048 1501 902 UNINET, MX 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1085 324 7 Instituto Costarricense de Electricidad 18881 984 1120 28 TELEFONICA BRASIL S.A, BR 11664 576 108 216 Techtel LMDS Comunicaciones Interactiva 26599 553 2957 46 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 431 67 173 Mega Cable, S.A. de C.V., MX 27651 330 62 9 ENTEL CHILE S.A., CL 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 543 274 156 LINKdotNET-AS, EG 36914 474 82 3 KENET-AS, KE 29571 396 29 205 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 36992 271 619 150 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 327687 157 28 3 RENU, UG 37492 155 471 43 ORANGE-, TN 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 9590 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9482 11202 3361 AMAZON-02, US 8151 5048 1501 902 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2973 3833 1430 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1704 4899 325 CENTURYLINK-US-LEGACY-QWEST, US 5972 1512 394 672 DNIC-ASBLK-05800-06055, US 56047 1479 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 9482 6121 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5048 4146 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2973 1543 DNIC-ASBLK-00306-00371, US 56047 1479 1445 CMNET-HUNAN-AP China Mobile communications corp 209 1704 1379 CENTURYLINK-US-LEGACY-QWEST, US 56041 1436 1363 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1430 1323 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 /11:30 /12:78 /13:135 /14:370 /15:743 /16:5558 /17:2624 /18:2754 /19:5693 /20:8987 /21:10905 /22:20461 /23:20466 /24:108786 /25:79 /26:51 /27:71 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2672 5048 UNINET, MX 16509 1972 9482 AMAZON-02, US 209 962 1704 CENTURYLINK-US-LEGACY-QWEST, US 11830 924 1085 Instituto Costarricense de Electricidad y Telec 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 666 803 BRSPD-PUBLIC, US 8376 574 733 Jordan Data Communications, JO 34984 550 698 TELLCOM-AS, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:9 2:449 3:251 5:1102 6:150 7:5 8:622 11:171 12:257 13:318 14:100 15:279 16:165 17:6 18:666 20:49 21:4 22:188 23:1816 24:531 25:2 27:16 29:19 31:243 32:2 34:2 35:52 36:1100 37:492 38:841 39:511 40:7 41:609 42:18 43:183 44:30 45:2310 46:606 47:149 49:14 50:277 51:468 52:1364 54:325 55:773 57:18 58:6 59:29 60:18 61:60 62:351 63:474 64:1532 65:826 66:1321 67:723 68:153 69:766 70:154 71:209 72:353 74:764 75:390 76:208 77:250 78:552 79:183 80:238 81:202 82:192 83:101 84:215 85:344 86:149 87:215 88:158 89:316 90:98 91:611 92:399 93:797 94:527 95:1113 96:172 97:37 98:127 99:148 100:42 101:21 102:187 103:951 104:738 105:15 106:2 107:204 108:351 109:235 110:33 111:1740 112:468 113:43 114:30 115:10 116:25 117:947 118:47 119:100 120:1071 121:33 122:81 123:20 124:55 125:12 128:350 129:293 130:501 131:889 132:504 133:264 134:331 135:66 136:367 137:423 138:709 139:456 140:504 141:177 142:696 143:607 144:313 145:79 146:488 147:332 148:588 149:513 150:283 151:533 152:360 153:113 154:469 155:658 156:308 157:236 158:302 159:539 160:534 161:460 162:708 163:269 164:618 165:400 166:110 167:377 168:955 169:150 170:1175 171:60 172:893 173:635 174:113 175:38 176:680 177:682 178:315 179:480 180:45 181:1051 182:11 183:859 184:208 185:2412 186:1021 187:731 188:605 189:1008 190:2973 191:199 192:3724 193:1386 194:908 195:688 196:474 197:674 198:1922 199:2838 200:2865 201:2423 202:906 203:591 204:1790 205:1609 206:1088 207:1086 208:995 209:1380 210:295 211:458 212:765 213:680 214:1064 215:37 216:1714 217:403 218:515 219:19 220:27 221:292 222:18 223:615 End of report