Routing Table Report 05:00 +10GMT Wed 01 Apr, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/au/
Analysis Summary
----------------
BGP routing table entries examined: 818639
Prefixes after maximum aggregation (per Origin AS): 305858
Deaggregation factor: 2.68
Unique aggregates announced (without unneeded subnets): 392368
Total ASes present in the Internet Routing Table: 67646
Prefixes per ASN: 12.10
Origin-only ASes present in the Internet Routing Table: 58229
Origin ASes announcing only one prefix: 23983
Transit ASes present in the Internet Routing Table: 9417
Transit-only ASes present in the Internet Routing Table: 303
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 42
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 1361
Number of instances of unregistered ASNs: 1363
Number of 32-bit ASNs allocated by the RIRs: 31147
Number of 32-bit ASNs visible in the Routing Table: 25713
Prefixes from 32-bit ASNs in the Routing Table: 122720
Number of bogon 32-bit ASNs visible in the Routing Table: 29
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1131
Number of addresses announced to Internet: 2854199212
Equivalent to 170 /8s, 31 /16s and 159 /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: 277173
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 213061
Total APNIC prefixes after maximum aggregation: 61639
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 206206
Unique aggregates announced from the APNIC address blocks: 85540
APNIC Region origin ASes present in the Internet Routing Table: 10474
APNIC Prefixes per ASN: 19.69
APNIC Region origin ASes announcing only one prefix: 2891
APNIC Region transit ASes present in the Internet Routing Table: 1591
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5555
Number of APNIC addresses announced to Internet: 766252716
Equivalent to 45 /8s, 172 /16s and 22 /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: 236231
Total ARIN prefixes after maximum aggregation: 108154
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 233576
Unique aggregates announced from the ARIN address blocks: 118033
ARIN Region origin ASes present in the Internet Routing Table: 18432
ARIN Prefixes per ASN: 12.67
ARIN Region origin ASes announcing only one prefix: 6726
ARIN Region transit ASes present in the Internet Routing Table: 1889
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3202
Number of ARIN addresses announced to Internet: 1078973440
Equivalent to 64 /8s, 79 /16s and 212 /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: 233758
Total RIPE prefixes after maximum aggregation: 105987
RIPE Deaggregation factor: 2.21
Prefixes being announced from the RIPE address blocks: 230349
Unique aggregates announced from the RIPE address blocks: 131718
RIPE Region origin ASes present in the Internet Routing Table: 27008
RIPE Prefixes per ASN: 8.53
RIPE Region origin ASes announcing only one prefix: 11713
RIPE Region transit ASes present in the Internet Routing Table: 3711
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9066
Number of RIPE addresses announced to Internet: 724814592
Equivalent to 43 /8s, 51 /16s and 203 /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: 110696
Total LACNIC prefixes after maximum aggregation: 24518
LACNIC Deaggregation factor: 4.51
Prefixes being announced from the LACNIC address blocks: 112033
Unique aggregates announced from the LACNIC address blocks: 46170
LACNIC Region origin ASes present in the Internet Routing Table: 9650
LACNIC Prefixes per ASN: 11.61
LACNIC Region origin ASes announcing only one prefix: 2194
LACNIC Region transit ASes present in the Internet Routing Table: 1821
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7217
Number of LACNIC addresses announced to Internet: 174192128
Equivalent to 10 /8s, 97 /16s and 246 /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: 23517
Total AfriNIC prefixes after maximum aggregation: 4708
AfriNIC Deaggregation factor: 5.00
Prefixes being announced from the AfriNIC address blocks: 35344
Unique aggregates announced from the AfriNIC address blocks: 9920
AfriNIC Region origin ASes present in the Internet Routing Table: 1386
AfriNIC Prefixes per ASN: 25.50
AfriNIC Region origin ASes announcing only one prefix: 459
AfriNIC Region transit ASes present in the Internet Routing Table: 259
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 673
Number of AfriNIC addresses announced to Internet: 109378560
Equivalent to 6 /8s, 132 /16s and 252 /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 5376 675 625 UNALLOCATED
7552 3406 1330 23 UNALLOCATED
45899 3201 1800 107 UNALLOCATED
7713 2703 813 503 UNALLOCATED
9808 2562 9043 60 UNALLOCATED
9498 2260 434 221 UNALLOCATED
18403 2257 349 38 UNALLOCATED
4755 2135 441 193 UNALLOCATED
4766 2097 11102 555 UNALLOCATED
9394 2040 4898 24 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11492 4079 272 644 UNALLOCATED
7155 4034 280 28 UNALLOCATED
16509 3954 7824 1739 UNALLOCATED
22773 3540 2969 154 UNALLOCATED
6327 3362 1324 91 UNALLOCATED
16625 2995 1568 2136 UNALLOCATED
209 2399 5079 541 UNALLOCATED
30036 2336 360 107 UNALLOCATED
5650 2302 2981 1623 UNALLOCATED
26484 2193 137 177 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
9121 7622 1691 18 UNALLOCATED
12479 5875 1603 132 UNALLOCATED
39891 3583 199 26 UNALLOCATED
8551 3152 379 45 UNALLOCATED
20940 2953 463 2021 UNALLOCATED
12389 2464 2250 727 UNALLOCATED
9009 2101 220 1140 UNALLOCATED
34984 2069 349 563 UNALLOCATED
13188 1605 100 43 UNALLOCATED
6849 1217 355 22 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 6358 3307 600 UNALLOCATED
10620 3356 530 516 UNALLOCATED
11830 2671 369 63 UNALLOCATED
6503 1654 327 395 UNALLOCATED
7303 1556 1031 264 UNALLOCATED
28573 1352 2240 210 UNALLOCATED
13999 1256 476 323 UNALLOCATED
6147 1141 379 39 UNALLOCATED
3816 1094 568 152 UNALLOCATED
11172 957 112 72 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1480 393 22 UNALLOCATED
24835 1112 574 25 UNALLOCATED
36992 1082 1537 74 UNALLOCATED
36903 890 467 88 UNALLOCATED
6713 592 1863 34 UNALLOCATED
29571 592 68 12 UNALLOCATED
15399 512 45 10 UNALLOCATED
37342 482 32 1 UNALLOCATED
23889 478 231 15 UNALLOCATED
36935 400 522 42 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
9121 7622 1691 18 UNALLOCATED
8151 6358 3307 600 UNALLOCATED
12479 5875 1603 132 UNALLOCATED
7545 5376 675 625 UNALLOCATED
11492 4079 272 644 UNALLOCATED
7155 4034 280 28 UNALLOCATED
16509 3954 7824 1739 UNALLOCATED
39891 3583 199 26 UNALLOCATED
22773 3540 2969 154 UNALLOCATED
7552 3406 1330 23 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/au/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 6358 5758 UNALLOCATED
12479 5875 5743 UNALLOCATED
7545 5376 4751 UNALLOCATED
7155 4034 4006 UNALLOCATED
39891 3583 3557 UNALLOCATED
11492 4079 3435 UNALLOCATED
22773 3540 3386 UNALLOCATED
7552 3406 3383 UNALLOCATED
6327 3362 3271 UNALLOCATED
8551 3152 3107 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/au/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
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
32985 UNALLOCATED 8.28.31.0/24 3356 UNALLOCATED
394936 UNALLOCATED 8.33.224.0/24 174 UNALLOCATED
14109 UNALLOCATED 8.38.252.0/24 3356 UNALLOCATED
23061 UNALLOCATED 8.39.119.0/24 3356 UNALLOCATED
26584 UNALLOCATED 8.42.62.0/23 209 UNALLOCATED
395438 UNALLOCATED 8.42.206.0/24 3356 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/au/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/au/data-dsua
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
27.126.156.0/22 Origin: 55827 UNALLOCATED
Transit: 9930 UNALLOCATED
27.126.156.0/23 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/au/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 /10:38 /11:98 /12:283
/13:578 /14:1163 /15:1959 /16:13378 /17:8252 /18:13918
/19:25958 /20:40881 /21:49179 /22:101027 /23:85437 /24:476292
/25:41 /26:16 /27:39 /28:31 /29:24 /30:24
/31:2 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
9121 6312 7622 UNALLOCATED
12479 4868 5875 UNALLOCATED
11492 3203 4079 UNALLOCATED
6327 3152 3362 UNALLOCATED
7155 3125 4034 UNALLOCATED
22773 2756 3540 UNALLOCATED
39891 2737 3583 UNALLOCATED
8551 2605 3152 UNALLOCATED
8151 2162 6358 UNALLOCATED
30036 2083 2336 UNALLOCATED
Complete listing at http://thyme.rand.apnic.net/au/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1809 2:1086 3:30 4:17 5:3374 6:51
8:1385 9:1 11:1 12:1800 13:501 14:2275
15:74 16:9 17:295 18:80 20:76 23:3455
24:2292 25:4 27:2594 31:2239 32:127 34:3
35:42 36:932 37:3297 38:1958 39:326 40:138
41:3748 42:939 43:2164 44:200 45:14515 46:3739
47:280 49:1442 50:1224 51:94 52:1135 54:269
55:680 56:6 57:57 58:2267 59:1087 60:712
61:2286 62:2305 63:1960 64:5088 65:2311 66:4957
67:2916 68:1240 69:3837 70:1433 71:685 72:2764
74:2623 75:1451 76:672 77:1919 78:3455 79:2394
80:1917 81:1698 82:1309 83:1075 84:1208 85:3037
86:564 87:1820 88:2528 89:2741 90:298 91:7112
92:1497 93:2505 94:2725 95:4278 96:1052 97:340
98:972 99:961 100:92 101:1189 102:940 103:23636
104:3408 105:442 106:869 107:1950 108:726 109:3699
110:1807 111:2031 112:1599 113:1385 114:1402 115:2057
116:1806 117:2149 118:2242 119:1781 120:813 121:1061
122:2446 123:1986 124:1563 125:2014 128:1371 129:909
130:631 131:1937 132:781 133:301 134:1236 135:276
136:613 137:1004 138:2371 139:1004 140:618 141:930
142:900 143:1276 144:984 145:331 146:1376 147:1035
148:2065 149:1177 150:821 151:1272 152:1487 153:380
154:4779 155:919 156:3411 157:1110 158:800 159:1956
160:1960 161:1027 162:3051 163:834 164:1491 165:1264
166:537 167:1704 168:3874 169:547 170:4552 171:774
172:1916 173:2430 174:1031 175:1027 176:2778 177:4946
178:2730 179:1583 180:2252 181:2468 182:3074 183:1138
184:2426 185:16493 186:4088 187:2944 188:3328 189:2451
190:8667 191:1702 192:10359 193:7470 194:6152 195:4406
196:3654 197:2097 198:6134 199:5960 200:7339 201:5337
202:10533 203:10467 204:4525 205:3106 206:3255 207:3376
208:4082 209:4449 210:3884 211:1898 212:3321 213:3088
214:1182 215:55 216:5939 217:2513 218:888 219:461
220:2080 221:901 222:868 223:1510
End of report