IPv4 R&E Routing Table Report 20:15 GMT Tue 21 May, 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: 191988 Prefixes after maximum aggregation (per Origin AS): 85269 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 106407 Number of IPv4 prefixes with a valid ROA: 75773 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 116196 Total ASes present in the Internet Routing Table: 16064 Prefixes per ASN: 11.95 Origin-only ASes present in the Internet Routing Table: 13872 Origin ASes announcing only one prefix: 6379 Transit ASes present in the Internet Routing Table: 2192 Transit-only ASes present in the Internet Routing Table: 585 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 250 Number of instances of unregistered ASNs: 250 Number of 32-bit ASNs allocated by the RIRs: 44495 Number of 32-bit ASNs visible in the Routing Table: 5759 Prefixes from 32-bit ASNs in the Routing Table: 19994 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: 109 Number of addresses announced to Internet: 1120642717 Equivalent to 66 /8s, 203 /16s and 166 /24s Percentage of available address space announced: 30.3 Percentage of allocated address space announced: 30.3 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: 56649 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30685 Total APNIC prefixes after maximum aggregation: 7348 APNIC Deaggregation factor: 4.18 Prefixes being announced from the APNIC address blocks: 30094 Unique aggregates announced from the APNIC address blocks: 8354 APNIC Region origin ASes present in the Internet Routing Table: 1199 APNIC Prefixes per ASN: 25.10 APNIC Region origin ASes announcing only one prefix: 487 APNIC Region transit ASes present in the Internet Routing Table: 208 Average APNIC Region AS path length visible: 7.2 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 534 Number of APNIC addresses announced to Internet: 201501292 Equivalent to 12 /8s, 2 /16s and 170 /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: 89318 Total ARIN prefixes after maximum aggregation: 48793 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 87991 Unique aggregates announced from the ARIN address blocks: 54803 ARIN Region origin ASes present in the Internet Routing Table: 7499 ARIN Prefixes per ASN: 11.73 ARIN Region origin ASes announcing only one prefix: 3254 ARIN Region transit ASes present in the Internet Routing Table: 686 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: 1554 Number of ARIN addresses announced to Internet: 655930977 Equivalent to 39 /8s, 24 /16s and 182 /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, 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: 37075 Total RIPE prefixes after maximum aggregation: 17628 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 37833 Unique aggregates announced from the RIPE address blocks: 25529 RIPE Region origin ASes present in the Internet Routing Table: 3510 RIPE Prefixes per ASN: 10.78 RIPE Region origin ASes announcing only one prefix: 1486 RIPE Region transit ASes present in the Internet Routing Table: 534 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: 1297 Number of RIPE addresses announced to Internet: 162581712 Equivalent to 9 /8s, 176 /16s and 204 /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: 29983 Total LACNIC prefixes after maximum aggregation: 9401 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 29675 Unique aggregates announced from the LACNIC address blocks: 14491 LACNIC Region origin ASes present in the Internet Routing Table: 2935 LACNIC Prefixes per ASN: 10.11 LACNIC Region origin ASes announcing only one prefix: 1055 LACNIC Region transit ASes present in the Internet Routing Table: 588 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2247 Number of LACNIC addresses announced to Internet: 72449280 Equivalent to 4 /8s, 81 /16s and 125 /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: 4677 Total AfriNIC prefixes after maximum aggregation: 1921 AfriNIC Deaggregation factor: 2.43 Prefixes being announced from the AfriNIC address blocks: 6286 Unique aggregates announced from the AfriNIC address blocks: 3131 AfriNIC Region origin ASes present in the Internet Routing Table: 236 AfriNIC Prefixes per ASN: 26.64 AfriNIC Region origin ASes announcing only one prefix: 97 AfriNIC Region transit ASes present in the Internet Routing Table: 73 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 127 Number of AfriNIC addresses announced to Internet: 28086528 Equivalent to 1 /8s, 172 /16s and 145 /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 9653 8742 61 CHINAMOBILE-CN China Mobile Communicati 56047 1505 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1481 874 109 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 790 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 722 10640 154 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 56040 491 490 109 CMNET-GUANGDONG-AP China Mobile communi 24445 478 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 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 9903 11371 3553 AMAZON-02, US 749 3224 54904 2476 DNIC-AS-00749, US 367 2825 3422 1321 DNIC-ASBLK-00306-00371, US 11776 1862 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1822 117 1258 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, US 5972 1330 383 611 DNIC-ASBLK-05800-06055, US 7979 990 64 201 SERVERS-COM, US 855 959 255 82 CANET-ASN-4, CA 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1297 107 1047 AKAMAI-ASN1, NL 3215 898 4830 291 France Telecom - Orange, FR 25019 821 1044 145 SAUDINETSTC-AS, SA 8376 714 60 21 Jordan Data Communications, JO 8452 626 1841 11 TE-AS TE-AS, EG 51167 509 98 214 CONTABO, DE 35819 436 436 74 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 57878 381 31 187 PRAGER-IT, AT 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 5334 1496 746 UNINET, MX 3816 1321 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1084 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 753 1126 30 TELEFONICA BRASIL S.A, BR 26599 540 2819 83 TELEFONICA BRASIL S.A, BR 13999 491 66 213 Mega Cable, S.A. de C.V., MX 10620 415 53 344 Telmex Colombia S.A., CO 22724 230 15 98 PUNTONET S.A., EC 27843 229 20 33 WIN EMPRESAS S.A.C., PE 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 585 204 235 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 29571 327 47 115 ORANGE-COTE-IVOIRE, CI 36935 258 64 79 Vodafone-, EG 36914 254 82 3 KENET-AS, KE 36992 191 256 163 ETISALAT-MISR, EG 24835 151 206 77 RAYA-AS, EG 37492 151 471 44 ORANGE-, TN 37693 146 595 51 TUNISIANA, TN 24757 137 36 51 EthioNet-AS, ET 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 16509 9903 11371 3553 AMAZON-02, US 9808 9653 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 5334 1496 746 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3224 54904 2476 DNIC-AS-00749, US 367 2825 3422 1321 DNIC-ASBLK-00306-00371, US 11776 1862 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1822 117 1258 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9653 9592 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5334 4588 UNINET, MX 11776 1862 1642 ATLANTICBB-JOHNSTOWN, US 367 2825 1504 DNIC-ASBLK-00306-00371, US 56047 1505 1458 CMNET-HUNAN-AP China Mobile communications corp 209 1699 1388 CENTURYLINK-US-LEGACY-QWEST, US 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1481 1372 CMNET-JIANGSU-AP China Mobile communications co 3816 1321 1126 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 22538 UNALLOCATED 12.131.3.0/24 7018 ATT-INTERNET4, US 26295 UNALLOCATED 12.147.1.0/24 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 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 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 RESERVED, ZZ 41.57.124.0/24 Transit: 37204 TELONE, ZW 41.57.125.0/24 Origin: 37442 RESERVED, ZZ 41.57.125.0/24 Transit: 37204 TELONE, ZW 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW 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 /9:6 /10:17 /11:30 /12:93 /13:124 /14:360 /15:698 /16:5952 /17:2480 /18:2572 /19:5457 /20:8741 /21:10837 /22:19793 /23:20811 /24:113770 /25:73 /26:48 /27:65 /28:18 /29:16 /30:12 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2884 5334 UNINET, MX 16509 2118 9903 AMAZON-02, US 11492 1207 1597 CABLEONE, US 209 961 1699 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1862 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 745 886 BRSPD-PUBLIC, US 6147 681 1084 Telefonica del Peru S.A.A., PE 8376 559 714 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:11 2:384 3:343 5:1119 6:147 7:5 8:631 11:171 12:664 13:302 14:121 15:283 16:175 17:6 18:737 20:33 21:4 22:188 23:1895 24:737 25:2 27:47 29:19 31:212 32:1 34:10 35:57 36:1175 37:440 38:880 39:524 40:11 41:708 42:13 43:196 44:34 45:2452 46:639 47:98 49:9 50:286 51:477 52:1361 54:275 55:999 57:16 58:7 59:39 60:19 61:63 62:343 63:505 64:1546 65:822 66:1286 67:853 68:176 69:841 70:147 71:195 72:483 74:743 75:395 76:210 77:326 78:582 79:195 80:218 81:187 82:201 83:117 84:202 85:352 86:161 87:162 88:155 89:537 90:96 91:618 92:428 93:811 94:514 95:1115 96:374 97:33 98:138 99:150 100:23 101:26 102:227 103:1197 104:770 105:141 106:3 107:200 108:313 109:279 110:37 111:1788 112:464 113:47 114:34 115:15 116:35 117:971 118:79 119:104 120:1087 121:42 122:87 123:21 124:59 125:12 128:369 129:282 130:505 131:817 132:515 133:195 134:348 135:90 136:369 137:427 138:756 139:400 140:599 141:322 142:704 143:589 144:336 145:67 146:502 147:388 148:623 149:511 150:297 151:578 152:578 153:118 154:621 155:696 156:447 157:288 158:317 159:690 160:732 161:477 162:700 163:295 164:650 165:400 166:100 167:400 168:906 169:155 170:1257 171:66 172:920 173:819 174:192 175:41 176:417 177:705 178:337 179:500 180:55 181:1030 182:26 183:832 184:311 185:2492 186:796 187:765 188:643 189:1104 190:2722 191:240 192:3930 193:1306 194:854 195:580 196:459 197:401 198:2008 199:3685 200:2475 201:2411 202:1082 203:647 204:1789 205:1695 206:1226 207:1164 208:1017 209:1423 210:351 211:431 212:709 213:589 214:1022 215:56 216:1807 217:339 218:525 219:24 220:29 221:302 222:59 223:643 End of report