[REN-BGP-stats-all] Global R&E Routing Table Report - SingAREN R&E view

REN Routing Table Report cscora at frr.nsrc.org
Mon Jun 7 19:15:11 UTC 2021


Global R&E Routing Table Report   19:15 GMT Mon 07 Jun, 2021

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/SingAREN/

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

BGP routing table entries examined:                               19243
    Prefixes after maximum aggregation (per Origin AS):           10714
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):       12052
Total ASes present in the Internet Routing Table:                  2774
    Prefixes per ASN:                                              6.94
Origin-only ASes present in the Internet Routing Table:            2367
Origin ASes announcing only one prefix:                            1082
Transit ASes present in the Internet Routing Table:                 407
Transit-only ASes present in the Internet Routing Table:             72
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                16
    Number of instances of unregistered ASNs:                        16
Number of 32-bit ASNs allocated by the RIRs:                      36257
Number of 32-bit ASNs visible in the Routing Table:                 589
Prefixes from 32-bit ASNs in the Routing Table:                    1718
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:              6
Number of addresses announced to Internet:                    208988300
    Equivalent to 12 /8s, 116 /16s and 232 /24s
    Percentage of available address space announced:                5.6
    Percentage of allocated address space announced:                5.6
    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:        2379

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

Prefixes being announced by APNIC Region ASes:                     4792
    Total APNIC prefixes after maximum aggregation:                2385
    APNIC Deaggregation factor:                                    2.01
Prefixes being announced from the APNIC address blocks:            4789
    Unique aggregates announced from the APNIC address blocks:     2715
APNIC Region origin ASes present in the Internet Routing Table:     570
    APNIC Prefixes per ASN:                                        8.40
APNIC Region origin ASes announcing only one prefix:                236
APNIC Region transit ASes present in the Internet Routing Table:     67
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         11
Number of APNIC region 32-bit ASNs visible in the Routing Table:    210
Number of APNIC addresses announced to Internet:               46417004
    Equivalent to 2 /8s, 196 /16s and 68 /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, 131072-147769
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:                      8359
    Total ARIN prefixes after maximum aggregation:                 4784
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             8384
    Unique aggregates announced from the ARIN address blocks:      5468
ARIN Region origin ASes present in the Internet Routing Table:     1230
    ARIN Prefixes per ASN:                                         6.82
ARIN Region origin ASes announcing only one prefix:                 434
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         5.5
    Max ARIN Region AS path length visible:                          18
Number of ARIN region 32-bit ASNs visible in the Routing Table:     151
Number of ARIN addresses announced to Internet:                97379456
    Equivalent to 5 /8s, 205 /16s and 228 /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:                      3407
    Total RIPE prefixes after maximum aggregation:                 2749
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3398
    Unique aggregates announced from the RIPE address blocks:      2739
RIPE Region origin ASes present in the Internet Routing Table:      671
    RIPE Prefixes per ASN:                                         5.06
RIPE Region origin ASes announcing only one prefix:                 318
RIPE Region transit ASes present in the Internet Routing Table:     111
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     127
Number of RIPE addresses announced to Internet:                58208384
    Equivalent to 3 /8s, 120 /16s and 48 /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
                       196608-213403
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:                    1477
    Total LACNIC prefixes after maximum aggregation:                592
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1474
    Unique aggregates announced from the LACNIC address blocks:     823
LACNIC Region origin ASes present in the Internet Routing Table:    179
    LACNIC Prefixes per ASN:                                       8.23
LACNIC Region origin ASes announcing only one prefix:                73
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    77
Number of LACNIC addresses announced to Internet:               4192800
    Equivalent to 0 /8s, 63 /16s and 250 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                   1192
    Total AfriNIC prefixes after maximum aggregation:               189
    AfriNIC Deaggregation factor:                                  6.31
Prefixes being announced from the AfriNIC address blocks:          1192
    Unique aggregates announced from the AfriNIC address blocks:    301
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     24.83
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      5.3
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2720000
    Equivalent to 0 /8s, 41 /16s and 129 /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
  2907         630       2155     456  UNALLOCATED
  7497         427        212      24  UNALLOCATED
 58647         198         18       2  UNALLOCATED
  1237         194         75     137  UNALLOCATED
  7575         180        331     127  UNALLOCATED
 55824         128         19      22  UNALLOCATED
  4538         124       4192      72  UNALLOCATED
  4621          83         45      12  UNALLOCATED
 23570          59          5      11  UNALLOCATED
  1659          57       1450      34  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         245         51       7  UNALLOCATED
   376         235        180     158  UNALLOCATED
   668         211        702     182  UNALLOCATED
  5786         201         16       1  UNALLOCATED
  2152         165        507      97  UNALLOCATED
 18558         137         18       4  UNALLOCATED
   270         117        297      87  UNALLOCATED
 23024         114          7      17  UNALLOCATED
  2920         112         34       6  UNALLOCATED
 21976          88         51      18  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         273       1996     235  UNALLOCATED
   786         187       1787     185  UNALLOCATED
  8895         171         24       4  UNALLOCATED
   559         116        550     107  UNALLOCATED
  1103          98       1520      85  UNALLOCATED
   137          82        677      77  UNALLOCATED
   553          72        449      72  UNALLOCATED
  2200          66        647      61  UNALLOCATED
  2614          62         32      59  UNALLOCATED
  1930          56         82      51  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         204        207      41  UNALLOCATED
 28391         152         10      66  UNALLOCATED
 11340          94         24      54  UNALLOCATED
  1251          66         37      20  UNALLOCATED
  2715          60        102      40  UNALLOCATED
 61468          45          3      15  UNALLOCATED
  4270          44         16       1  UNALLOCATED
 19611          44         17       2  UNALLOCATED
 28614          38          2       2  UNALLOCATED
 28571          37         26      15  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         409         82       3  UNALLOCATED
  2018         324        319      74  UNALLOCATED
327687         136         28       3  UNALLOCATED
  2561          74          5      34  UNALLOCATED
  8094          55         48       4  UNALLOCATED
327700          39         16       1  UNALLOCATED
 37215          29          8       1  UNALLOCATED
  6879          24          2       9  UNALLOCATED
 37501          11         49       6  UNALLOCATED
 37182           9          8       1  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         630       2155     456  UNALLOCATED
  7497         427        212      24  UNALLOCATED
 36914         409         82       3  UNALLOCATED
  2018         324        319      74  UNALLOCATED
   680         273       1996     235  UNALLOCATED
  7896         245         51       7  UNALLOCATED
   376         235        180     158  UNALLOCATED
   668         211        702     182  UNALLOCATED
  1916         204        207      41  UNALLOCATED
  5786         201         16       1  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet

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

   ASN  No of nets  Net Savings  Description
 36914         409          406  UNALLOCATED
  7497         427          403  UNALLOCATED
  2018         324          250  UNALLOCATED
  7896         245          238  UNALLOCATED
  5786         201          200  UNALLOCATED
 58647         198          196  UNALLOCATED
  8895         171          167  UNALLOCATED
  1916         204          163  UNALLOCATED
 18558         137          133  UNALLOCATED
327687         136          133  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     36843  UNALLOCATED  64.56.80.0/23            11096  UNALLOCATED
     19658  UNALLOCATED  65.205.131.0/24          11096  UNALLOCATED
     36843  UNALLOCATED  108.59.20.0/24           11096  UNALLOCATED
     36843  UNALLOCATED  108.59.23.0/24           11096  UNALLOCATED
     36843  UNALLOCATED  131.91.183.0/24          11096  UNALLOCATED
     36843  UNALLOCATED  131.91.252.0/22          11096  UNALLOCATED
     36843  UNALLOCATED  146.201.218.0/24         11096  UNALLOCATED
     36843  UNALLOCATED  146.201.219.0/24         11096  UNALLOCATED
     22063  UNALLOCATED  153.10.0.0/16             2152  UNALLOCATED
     36843  UNALLOCATED  162.223.23.0/24          11096  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
172.16.150.0/24            9489  UNALLOCATED
172.16.160.0/24            9489  UNALLOCATED
172.30.0.0/16              9489  UNALLOCATED
192.88.99.0/24             1103  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-dsua

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

Unassigned Network     ASN Information  AS Name
164.160.240.0/20     Origin:    328439  UNALLOCATED
                    Transit:    327992  UNALLOCATED
172.16.150.0/24      Origin:      9489  UNALLOCATED
                    Transit:      1237  UNALLOCATED
172.16.160.0/24      Origin:      9489  UNALLOCATED
                    Transit:      1237  UNALLOCATED
172.30.0.0/16        Origin:      9489  UNALLOCATED
                    Transit:      1237  UNALLOCATED
192.31.196.0/24      Origin:       112  UNALLOCATED
                    Transit:      1103  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/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        /8:0        /9:1       /10:2       /11:1       /12:10      
/13:18      /14:37      /15:118     /16:2056    /17:387     /18:427     
/19:591     /20:896     /21:924     /22:1440    /23:1540    /24:10508   
/25:86      /26:66      /27:52      /28:33      /29:31      /30:15      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 36914         383         409  UNALLOCATED
  8895         166         171  UNALLOCATED
 23024          53         114  UNALLOCATED
 58647          34         198  UNALLOCATED
327700          33          39  UNALLOCATED
 28614          32          38  UNALLOCATED
 25977          31          45  UNALLOCATED
263282          30          37  UNALLOCATED
 18632          29          55  UNALLOCATED
 27609          29          45  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-sXXas-nos

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

   1:4         5:15        6:4         8:2        12:1        14:84     
  18:41       23:6        24:6        31:6        37:6        38:9      
  40:1        41:238      42:26       44:5        45:54       46:7      
  47:1        49:10       50:4        52:1        58:1        59:20     
  60:4        61:4        62:7        63:38       64:55       65:5      
  66:53       67:45       68:8        69:17       71:1        72:14     
  74:19       76:33       77:5        78:3        79:10       80:14     
  81:32       82:4        83:8        84:5        85:34       86:9      
  87:1        88:1        89:10       91:46       92:1        93:12     
  94:4        95:4        96:5        97:1        98:2       100:1      
 101:2       102:9       103:290     104:76      106:1       107:17     
 108:8       109:8       110:3       111:20      112:4       114:23     
 115:1       116:5       117:63      118:35      119:18      121:29     
 122:8       123:8       124:40      125:13      128:79      129:173    
 130:91      131:91      132:56      133:137     134:92      136:193    
 137:146     138:11      139:5       140:48      141:2       142:43     
 143:35      144:53      146:125     147:66      148:160     149:13     
 150:37      151:5       152:77      153:11      154:24      155:47     
 156:64      157:25      158:45      159:115     160:26      161:17     
 162:25      163:66      164:40      165:14      166:1       167:15     
 168:124     169:9       170:67      171:1       172:3       173:7      
 175:32      176:8       177:7       178:1       179:12      180:21     
 181:11      182:6       184:8       185:41      186:3       187:18     
 188:13      189:6       190:44      191:36      192:1439    193:248    
 194:144     195:98      196:169     197:196     198:512     199:274    
 200:261     201:39      202:589     203:427     204:359     205:175    
 206:195     207:178     208:62      209:121     210:187     211:14     
 212:165     213:4       214:7       216:66      217:16      218:26     
 219:8       220:24      222:4       223:2      

End of report


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