Orbit

Routing Table Report 08:00 +10GMT Wed 01 Apr, 2020

Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/

Analysis Summary ----------------

BGP routing table entries examined: 796154 Prefixes after maximum aggregation (per Origin AS): 304623 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 392386 Total ASes present in the Internet Routing Table: 67420 Prefixes per ASN: 11.81 Origin-only ASes present in the Internet Routing Table: 58152 Origin ASes announcing only one prefix: 24242 Transit ASes present in the Internet Routing Table: 9268 Transit-only ASes present in the Internet Routing Table: 279 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 41 Max AS path prepend of ASN ( 22394) 38 Prefixes from unregistered ASNs in the Routing Table: 1167 Number of instances of unregistered ASNs: 1173 Number of 32-bit ASNs allocated by the RIRs: 31147 Number of 32-bit ASNs visible in the Routing Table: 25649 Prefixes from 32-bit ASNs in the Routing Table: 118124 Number of bogon 32-bit ASNs visible in the Routing Table: 42 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 1114 Number of addresses announced to Internet: 2853230080 Equivalent to 170 /8s, 16 /16s and 214 /24s Percentage of available address space announced: 77.1 Percentage of allocated address space announced: 77.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 269697

APNIC Region Analysis Summary -----------------------------

Prefixes being announced by APNIC Region ASes: 204511 Total APNIC prefixes after maximum aggregation: 61153 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 197465 Unique aggregates announced from the APNIC address blocks: 85577 APNIC Region origin ASes present in the Internet Routing Table: 10410 APNIC Prefixes per ASN: 18.97 APNIC Region origin ASes announcing only one prefix: 2904 APNIC Region transit ASes present in the Internet Routing Table: 1502 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 5525 Number of APNIC addresses announced to Internet: 765815040 Equivalent to 45 /8s, 165 /16s and 105 /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, 131072-141625 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: 234373 Total ARIN prefixes after maximum aggregation: 107866 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 231694 Unique aggregates announced from the ARIN address blocks: 117967 ARIN Region origin ASes present in the Internet Routing Table: 18371 ARIN Prefixes per ASN: 12.61 ARIN Region origin ASes announcing only one prefix: 6703 ARIN Region transit ASes present in the Internet Routing Table: 1856 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 41 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3190 Number of ARIN addresses announced to Internet: 1078698240 Equivalent to 64 /8s, 75 /16s and 161 /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, 393216-399260 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: 229484 Total RIPE prefixes after maximum aggregation: 105730 RIPE Deaggregation factor: 2.17 Prefixes being announced from the RIPE address blocks: 226121 Unique aggregates announced from the RIPE address blocks: 131653 RIPE Region origin ASes present in the Internet Routing Table: 26961 RIPE Prefixes per ASN: 8.39 RIPE Region origin ASes announcing only one prefix: 11741 RIPE Region transit ASes present in the Internet Routing Table: 3712 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 9053 Number of RIPE addresses announced to Internet: 724658176 Equivalent to 43 /8s, 49 /16s and 104 /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 196608-210331 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: 104314 Total LACNIC prefixes after maximum aggregation: 24428 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 105655 Unique aggregates announced from the LACNIC address blocks: 46151 LACNIC Region origin ASes present in the Internet Routing Table: 9639 LACNIC Prefixes per ASN: 10.96 LACNIC Region origin ASes announcing only one prefix: 2418 LACNIC Region transit ASes present in the Internet Routing Table: 1805 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7216 Number of LACNIC addresses announced to Internet: 174102016 Equivalent to 10 /8s, 96 /16s and 150 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-270748 + 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: 22305 Total AfriNIC prefixes after maximum aggregation: 4692 AfriNIC Deaggregation factor: 4.75 Prefixes being announced from the AfriNIC address blocks: 34105 Unique aggregates announced from the AfriNIC address blocks: 10054 AfriNIC Region origin ASes present in the Internet Routing Table: 1377 AfriNIC Prefixes per ASN: 24.77 AfriNIC Region origin ASes announcing only one prefix: 476 AfriNIC Region transit ASes present in the Internet Routing Table: 263 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 665 Number of AfriNIC addresses announced to Internet: 109370368 Equivalent to 6 /8s, 132 /16s and 220 /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 7545 5339 675 619 UNALLOCATED 7552 3404 1330 21 UNALLOCATED 45899 3140 1799 106 UNALLOCATED 7713 2702 813 503 UNALLOCATED 9808 2555 9043 60 UNALLOCATED 9498 2257 434 221 UNALLOCATED 4755 2135 441 193 UNALLOCATED 4766 2097 11102 555 UNALLOCATED 9394 2037 4898 22 UNALLOCATED 9829 1887 1324 43 UNALLOCATED

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC

ARIN Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 11492 4080 272 638 UNALLOCATED 7155 4034 280 28 UNALLOCATED 16509 3950 7824 1738 UNALLOCATED 22773 3541 2969 154 UNALLOCATED 6327 3361 1324 92 UNALLOCATED 16625 2991 1568 2135 UNALLOCATED 209 2383 5069 541 UNALLOCATED 30036 2338 360 107 UNALLOCATED 5650 2302 2981 1623 UNALLOCATED 26484 2197 137 178 UNALLOCATED

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN

RIPE Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 9121 7621 1691 18 UNALLOCATED 12479 5875 1603 132 UNALLOCATED 39891 3583 199 26 UNALLOCATED 8551 3146 379 45 UNALLOCATED 20940 2945 462 2015 UNALLOCATED 12389 2463 2250 727 UNALLOCATED 9009 2104 221 1141 UNALLOCATED 34984 2069 349 562 UNALLOCATED 13188 1605 100 43 UNALLOCATED 25019 1184 986 108 UNALLOCATED

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE

LACNIC Region per AS prefix count summary -----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 8151 6356 3307 603 UNALLOCATED 10620 3356 530 516 UNALLOCATED 11830 2671 369 63 UNALLOCATED 6503 1654 327 395 UNALLOCATED 7303 1557 1032 261 UNALLOCATED 28573 1352 2240 210 UNALLOCATED 13999 1251 476 330 UNALLOCATED 6147 1141 379 39 UNALLOCATED 3816 1093 567 151 UNALLOCATED 11172 957 112 72 UNALLOCATED

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary ------------------------------------------

ASN No of nets /20 equiv MaxAgg Description 24863 1479 393 22 UNALLOCATED 24835 1112 574 25 UNALLOCATED 36992 1082 1537 74 UNALLOCATED 36903 890 467 88 UNALLOCATED 29571 592 68 12 UNALLOCATED 6713 591 1863 34 UNALLOCATED 37342 482 32 1 UNALLOCATED 36935 400 522 42 UNALLOCATED 23889 382 231 15 UNALLOCATED 15399 355 45 10 UNALLOCATED

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC

Global Per AS prefix count summary ----------------------------------

ASN No of nets /20 equiv MaxAgg Description 9121 7621 1691 18 UNALLOCATED 8151 6356 3307 603 UNALLOCATED 12479 5875 1603 132 UNALLOCATED 7545 5339 675 619 UNALLOCATED 11492 4080 272 638 UNALLOCATED 7155 4034 280 28 UNALLOCATED 16509 3950 7824 1738 UNALLOCATED 39891 3583 199 26 UNALLOCATED 22773 3541 2969 154 UNALLOCATED 7552 3404 1330 21 UNALLOCATED

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet

Global Per AS Maximum Aggregation summary -----------------------------------------

ASN No of nets Net Savings Description 8151 6356 5753 UNALLOCATED 12479 5875 5743 UNALLOCATED 7545 5339 4720 UNALLOCATED 7155 4034 4006 UNALLOCATED 39891 3583 3557 UNALLOCATED 11492 4080 3442 UNALLOCATED 22773 3541 3387 UNALLOCATED 7552 3404 3383 UNALLOCATED 6327 3361 3269 UNALLOCATED 8551 3146 3101 UNALLOCATED

Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet

List of Unregistered Origin ASNs (Global) -----------------------------------------

Bad AS Designation Net Originated Transit AS Transit AS Name 4200111000 PRIVATE 8.20.0.0/23 35873 UNALLOCATED 16589 UNALLOCATED 8.20.241.0/24 23393 UNALLOCATED 16589 UNALLOCATED 8.20.243.0/24 23393 UNALLOCATED 16589 UNALLOCATED 8.20.247.0/24 23393 UNALLOCATED 62828 UNALLOCATED 8.21.130.0/24 3356 UNALLOCATED 393266 UNALLOCATED 8.23.52.0/24 174 UNALLOCATED 62485 UNALLOCATED 8.23.229.0/24 3356 UNALLOCATED 16589 UNALLOCATED 8.26.56.0/24 23393 UNALLOCATED 32985 UNALLOCATED 8.28.31.0/24 3356 UNALLOCATED 394936 UNALLOCATED 8.33.224.0/24 174 UNALLOCATED

Complete listing at http://thyme.rand.apnic.net/london/data-badAS

Advertised Unallocated Addresses --------------------------------

Unassigned Network ASN Information AS Name 23.137.192.0/24 Origin: 31798 UNALLOCATED Transit: 174 UNALLOCATED 27.100.7.0/24 Origin: 56096 UNALLOCATED Transit: 45455 UNALLOCATED 27.126.156.0/23 Origin: 55827 UNALLOCATED Transit: 9930 UNALLOCATED 27.126.156.0/22 Origin: 55827 UNALLOCATED Transit: 9930 UNALLOCATED 27.126.158.0/23 Origin: 55827 UNALLOCATED Transit: 9930 UNALLOCATED

Complete listing at http://thyme.rand.apnic.net/london/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 /8:10 /9:11 /10:37 /11:98 /12:281 /13:576 /14:1163 /15:1913 /16:13337 /17:8094 /18:13723 /19:25433 /20:39080 /21:47900 /22:99375 /23:81448 /24:463675 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0

Advertised prefixes smaller than registry allocations -----------------------------------------------------

ASN No of nets Total ann. Description 9121 6311 7621 UNALLOCATED 12479 4868 5875 UNALLOCATED 11492 3203 4080 UNALLOCATED 6327 3151 3361 UNALLOCATED 7155 3125 4034 UNALLOCATED 22773 2757 3541 UNALLOCATED 39891 2737 3583 UNALLOCATED 8551 2605 3146 UNALLOCATED 8151 2161 6356 UNALLOCATED 30036 2085 2338 UNALLOCATED

Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos

Number of /24s announced per /8 block (Global) ----------------------------------------------

1:1540 2:1086 3:30 4:17 5:3310 6:51 8:1361 9:1 11:1 12:1799 13:501 14:2257 15:73 16:9 17:295 18:80 20:76 23:3440 24:2288 25:2 27:2544 31:2175 32:88 34:3 35:39 36:932 37:3276 38:1938 39:325 40:125 41:3567 42:623 43:2076 44:194 45:13904 46:3676 47:280 49:1424 50:1217 51:94 52:1134 54:269 55:680 56:6 57:53 58:1901 59:1056 60:708 61:2191 62:2248 63:1941 64:5060 65:2296 66:4877 67:2874 68:1225 69:3827 70:1429 71:676 72:2761 74:2606 75:1440 76:672 77:1842 78:3372 79:2385 80:1875 81:1673 82:1284 83:1067 84:1190 85:3003 86:537 87:1706 88:2460 89:2696 90:298 91:6995 92:1486 93:2450 94:2643 95:4222 96:1045 97:339 98:969 99:961 100:71 101:939 102:867 103:23217 104:3398 105:424 106:866 107:1948 108:704 109:3657 110:1794 111:2025 112:1597 113:1287 114:1334 115:1819 116:1748 117:2079 118:2120 119:1660 120:798 121:984 122:2410 123:1962 124:1533 125:1993 128:1291 129:886 130:616 131:1841 132:751 133:301 134:1210 135:275 136:603 137:839 138:2169 139:983 140:610 141:928 142:884 143:1212 144:980 145:330 146:1355 147:1017 148:2066 149:1159 150:813 151:1272 152:1477 153:376 154:4731 155:914 156:3405 157:1098 158:798 159:1942 160:1907 161:1021 162:3013 163:823 164:1457 165:1256 166:535 167:1622 168:3679 169:512 170:4295 171:770 172:1910 173:2408 174:1031 175:1001 176:2692 177:4264 178:2692 179:1493 180:2123 181:2455 182:3062 183:1099 184:2427 185:16312 186:3819 187:2646 188:3208 189:2223 190:8631 191:1456 192:10297 193:7408 194:6095 195:4329 196:3578 197:1926 198:6066 199:5926 200:7155 201:5180 202:10087 203:10015 204:4431 205:3089 206:3162 207:3244 208:4041 209:4411 210:3721 211:1862 212:3257 213:3042 214:1182 215:55 216:5921 217:2388 218:846 219:423 220:1984 221:894 222:811 223:1496

End of report