This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam'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 21:25 GMT Sat 10 May, 2025 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1003621 Prefixes after maximum aggregation (per Origin AS): 379261 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 479430 Number of IPv4 prefixes with a valid ROA: 553833 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 449769 Total ASes present in the Internet Routing Table: 76924 Prefixes per ASN: 13.05 Origin-only ASes present in the Internet Routing Table: 65865 Origin ASes announcing only one prefix: 26913 Transit ASes present in the Internet Routing Table: 11059 Transit-only ASes present in the Internet Routing Table: 553 Paths with bogon ASNs present in the IPv4 Routing Table: 58 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 962 Number of instances of unregistered ASNs: 967 Number of 32-bit ASNs allocated by the RIRs: 46388 Number of 32-bit ASNs visible in the Routing Table: 38244 Prefixes from 32-bit ASNs in the Routing Table: 205183 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 330 Number of addresses announced to Internet: 3115125568 Equivalent to 185 /8s, 173 /16s and 11 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 326951 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 269740 Total APNIC prefixes after maximum aggregation: 77804 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 260893 Unique aggregates announced from the APNIC address blocks: 103496 APNIC Region origin ASes present in the Internet Routing Table: 14708 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 4477 APNIC Region transit ASes present in the Internet Routing Table: 1995 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10161 Number of APNIC addresses announced to Internet: 753965120 Equivalent to 44 /8s, 240 /16s and 152 /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, 131072-155961 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: 292779 Total ARIN prefixes after maximum aggregation: 130368 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 293983 Unique aggregates announced from the ARIN address blocks: 138696 ARIN Region origin ASes present in the Internet Routing Table: 19241 ARIN Prefixes per ASN: 15.28 ARIN Region origin ASes announcing only one prefix: 7032 ARIN Region transit ASes present in the Internet Routing Table: 1990 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5198 Number of ARIN addresses announced to Internet: 1353202944 Equivalent to 80 /8s, 168 /16s and 61 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 277649 Total RIPE prefixes after maximum aggregation: 134119 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 275528 Unique aggregates announced from the RIPE address blocks: 174292 RIPE Region origin ASes present in the Internet Routing Table: 28925 RIPE Prefixes per ASN: 9.53 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3991 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12427 Number of RIPE addresses announced to Internet: 731027648 Equivalent to 43 /8s, 146 /16s and 152 /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, 53/8, 57/8, 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: 125978 Total LACNIC prefixes after maximum aggregation: 29561 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 122286 Unique aggregates announced from the LACNIC address blocks: 48831 LACNIC Region origin ASes present in the Internet Routing Table: 11236 LACNIC Prefixes per ASN: 10.88 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2491 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9183 Number of LACNIC addresses announced to Internet: 171745856 Equivalent to 10 /8s, 60 /16s and 162 /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: 36513 Total AfriNIC prefixes after maximum aggregation: 6809 AfriNIC Deaggregation factor: 5.36 Prefixes being announced from the AfriNIC address blocks: 50601 Unique aggregates announced from the AfriNIC address blocks: 13849 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 26.51 AfriNIC Region origin ASes announcing only one prefix: 675 AfriNIC Region transit ASes present in the Internet Routing Table: 379 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275 Number of AfriNIC addresses announced to Internet: 105012224 Equivalent to 6 /8s, 66 /16s and 92 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10888 8915 154 CHINAMOBILE-CN China Mobile Communication 7545 6149 841 644 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4842 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4369 347 25 FPT-AS-AP FPT Telecom Company, VN 45899 4354 1874 55 VNPT-AS-VN VNPT Corp, VN 9498 4272 533 298 BBIL-AP BHARTI Airtel Ltd., IN 7552 3935 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3692 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2863 852 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2200 1439 87 TENCENT-NET-AP Shenzhen Tencent Computer Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13322 40835 4802 AMAZON-02, US 174 5319 8750 898 COGENT-174, US 11492 4726 313 592 CABLEONE, US 7155 3873 287 89 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3342 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54861 2504 DNIC-AS-00749, US 396982 3145 3850 414 GOOGLE-CLOUD-PLATFORM, US 16625 3031 1269 2225 AKAMAI-AS, US 36352 2776 227 851 AS-COLOCROSSING, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7695 1714 148 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3981 3395 139 AKAMAI-ASN1, NL 9009 3795 327 1989 M247, RO 12389 3073 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2419 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2362 360 584 TELLCOM-AS, TR 212238 2143 151 1578 CDNEXT, GB 8452 1647 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12074 3247 582 UNINET, MX 10620 3505 481 1018 Telmex Colombia S.A., CO 13999 2513 540 362 Mega Cable, S.A. de C.V., MX 11830 1994 369 64 Instituto Costarricense de Electricidad y 28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1185 371 22 Telefonica del Peru S.A.A., PE 11664 1112 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1056 67 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1042 374 163 Axtel, S.A.B. de C.V., MX Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1744 631 30 RAYA-AS, EG 24863 1650 389 16 LINKdotNET-AS, EG 29571 1573 102 39 ORANGE-COTE-IVOIRE, CI 36992 1431 1518 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1036 523 45 Vodafone-, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 36914 549 82 3 KENET-AS, KE 15399 537 57 59 WANANCHI-, KE Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13322 40835 4802 AMAZON-02, US 8151 12074 3247 582 UNINET, MX 9808 10888 8915 154 CHINAMOBILE-CN China Mobile Communication 12479 7695 1714 148 UNI2-AS, ES 7545 6149 841 644 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5319 8750 898 COGENT-174, US 4538 4842 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4726 313 592 CABLEONE, US 18403 4369 347 25 FPT-AS-AP FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 12074 11492 UNINET, MX 9808 10888 10734 CHINAMOBILE-CN China Mobile Communications Grou 12479 7695 7547 UNI2-AS, ES 7545 6149 5505 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4842 4767 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5319 4421 COGENT-174, US 18403 4369 4344 FPT-AS-AP FPT Telecom Company, VN 45899 4354 4299 VNPT-AS-VN VNPT Corp, VN 11492 4726 4134 CABLEONE, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Guam/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/Guam/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, US 23.159.56.0/24 Origin: 174 COGENT-174, US 23.159.56.0/24 Transit: 2914 NTT-DATA-2914, US Complete listing at https://bgp.nsrc.org/REN/Guam/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 /9:16 /10:41 /11:93 /12:301 /13:583 /14:1228 /15:2187 /16:14096 /17:8504 /18:14500 /19:25418 /20:45671 /21:53104 /22:113886 /23:105125 /24:618125 /25:116 /26:117 /27:102 /28:18 /29:75 /30:10 /31:0 /32:289 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6616 7695 UNI2-AS, ES 8151 6270 12074 UNINET, MX 11492 3533 4726 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 2831 3873 VIASAT-SP-BACKBONE, US 22773 2495 3342 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2323 13322 AMAZON-02, US 30036 2219 2559 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2191 3505 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2392 2:1643 3:706 4:13 5:4752 6:162 7:6 8:1602 9:1 11:172 12:1365 13:384 14:2586 15:353 16:285 17:376 18:919 20:532 21:4 22:188 23:7535 24:2808 25:2 27:2823 29:19 31:3326 32:41 33:1 34:84 35:208 36:2781 37:4676 38:10283 39:916 40:167 41:4328 42:2005 43:2684 44:376 45:18826 46:5126 47:314 49:1949 50:1895 51:590 52:1555 54:304 55:1094 56:11 57:259 58:2318 59:1355 60:1192 61:3138 62:2952 63:1818 64:5486 65:2178 66:4679 67:3071 68:1119 69:3930 70:1086 71:639 72:2851 74:2786 75:1617 76:616 77:2734 78:1873 79:1777 80:2241 81:2055 82:3166 83:1473 84:1862 85:3445 86:1149 87:2422 88:1287 89:4374 90:776 91:8369 92:2780 93:2897 94:4143 95:4346 96:1462 97:316 98:980 99:677 100:72 101:1420 102:4092 103:32665 104:5005 105:1197 106:1038 107:2623 108:1221 109:4130 110:2276 111:3388 112:2085 113:1846 114:1986 115:2260 116:2101 117:2665 118:2924 119:2017 120:1963 121:1442 122:2897 123:2507 124:1710 125:2899 126:93 128:1660 129:971 130:1310 131:1985 132:784 133:451 134:1540 135:332 136:1310 137:1260 138:2935 139:1711 140:1606 141:1510 142:1901 143:1722 144:1097 145:503 146:2175 147:2098 148:2613 149:2946 150:1262 151:1857 152:2089 153:565 154:8421 155:1696 156:3350 157:1896 158:1302 159:2446 160:3575 161:1897 162:3745 163:2158 164:1702 165:2206 166:1478 167:1903 168:4097 169:795 170:5145 171:1018 172:4408 173:3270 174:908 175:1332 176:3692 177:4866 178:3633 179:2331 180:2698 181:4102 182:3455 183:2094 184:2093 185:21646 186:5248 187:4515 188:4242 189:4319 190:9691 191:1523 192:11264 193:9515 194:7913 195:5656 196:3305 197:3721 198:6119 199:8501 200:8290 201:6392 202:10840 203:10876 204:4526 205:3599 206:4522 207:3492 208:4301 209:5203 210:4917 211:2746 212:4579 213:3724 214:1031 215:48 216:6754 217:3303 218:1408 219:578 220:2091 221:1082 222:970 223:2386 End of report