[REN-BGP-stats-all] Global R&E Routing Table Report - PERN (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Tue Dec 21 19:10:27 UTC 2021


Global R&E Routing Table Report   19:10 GMT Tue 21 Dec, 2021

  BGP Table (R&E) as seen at PERN.

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

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

BGP routing table entries examined:                                3770
    Prefixes after maximum aggregation (per Origin AS):            2496
    Deaggregation factor:                                          1.51
    Unique aggregates announced (without unneeded subnets):        2792
Total ASes present in the Internet Routing Table:                   574
    Prefixes per ASN:                                              6.57
Origin-only ASes present in the Internet Routing Table:             494
Origin ASes announcing only one prefix:                             217
Transit ASes present in the Internet Routing Table:                  80
Transit-only ASes present in the Internet Routing Table:             25
Average AS path length visible in the Internet Routing Table:       8.8
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (  7650)                               8
Prefixes from unregistered ASNs in the Routing Table:                 0
    Number of instances of unregistered ASNs:                         0
Number of 32-bit ASNs allocated by the RIRs:                      38135
Number of 32-bit ASNs visible in the Routing Table:                 131
Prefixes from 32-bit ASNs in the Routing Table:                     281
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              0
Number of addresses announced to Internet:                     46372608
    Equivalent to 2 /8s, 195 /16s and 151 /24s
    Percentage of available address space announced:                1.3
    Percentage of allocated address space announced:                1.3
    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:         221

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

Prefixes being announced by APNIC Region ASes:                     1084
    Total APNIC prefixes after maximum aggregation:                 730
    APNIC Deaggregation factor:                                    1.48
Prefixes being announced from the APNIC address blocks:            1085
    Unique aggregates announced from the APNIC address blocks:      909
APNIC Region origin ASes present in the Internet Routing Table:     216
    APNIC Prefixes per ASN:                                        5.02
APNIC Region origin ASes announcing only one prefix:                111
APNIC Region transit ASes present in the Internet Routing Table:     36
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         20
Number of APNIC region 32-bit ASNs visible in the Routing Table:     92
Number of APNIC addresses announced to Internet:               11353600
    Equivalent to 0 /8s, 173 /16s and 62 /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, 131072-151865
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:                      2686
    Total ARIN prefixes after maximum aggregation:                 1766
    ARIN Deaggregation factor:                                     1.52
Prefixes being announced from the ARIN address blocks:             2685
    Unique aggregates announced from the ARIN address blocks:      1883
ARIN Region origin ASes present in the Internet Routing Table:      333
    ARIN Prefixes per ASN:                                         8.06
ARIN Region origin ASes announcing only one prefix:                 106
ARIN Region transit ASes present in the Internet Routing Table:      37
Average ARIN Region AS path length visible:                         9.4
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:      39
Number of ARIN addresses announced to Internet:                35019008
    Equivalent to 2 /8s, 22 /16s and 89 /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:                         0
    Total RIPE prefixes after maximum aggregation:                    0
    RIPE Deaggregation factor:                                     -nan
Prefixes being announced from the RIPE address blocks:                0
    Unique aggregates announced from the RIPE address blocks:         0
RIPE Region origin ASes present in the Internet Routing Table:        0
    RIPE Prefixes per ASN:                                         -nan
RIPE Region origin ASes announcing only one prefix:                   0
RIPE Region transit ASes present in the Internet Routing Table:       0
Average RIPE Region AS path length visible:                        -nan
    Max RIPE Region AS path length visible:                           0
Number of RIPE region 32-bit ASNs visible in the Routing Table:       0
Number of RIPE addresses announced to Internet:                       0
    Equivalent to 0 /8s, 0 /16s and 0 /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:                       0
    Total LACNIC prefixes after maximum aggregation:                  0
    LACNIC Deaggregation factor:                                   -nan
Prefixes being announced from the LACNIC address blocks:              0
    Unique aggregates announced from the LACNIC address blocks:       0
LACNIC Region origin ASes present in the Internet Routing Table:      0
    LACNIC Prefixes per ASN:                                       -nan
LACNIC Region origin ASes announcing only one prefix:                 0
LACNIC Region transit ASes present in the Internet Routing Table:     0
Average LACNIC Region AS path length visible:                      -nan
    Max LACNIC Region AS path length visible:                         0
Number of LACNIC region 32-bit ASNs visible in the Routing Table:     0
Number of LACNIC addresses announced to Internet:                     0
    Equivalent to 0 /8s, 0 /16s and 0 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                      0
    Total AfriNIC prefixes after maximum aggregation:                 0
    AfriNIC Deaggregation factor:                                  -nan
Prefixes being announced from the AfriNIC address blocks:             0
    Unique aggregates announced from the AfriNIC address blocks:      0
AfriNIC Region origin ASes present in the Internet Routing Table:     0
    AfriNIC Prefixes per ASN:                                      -nan
AfriNIC Region origin ASes announcing only one prefix:                0
AfriNIC Region transit ASes present in the Internet Routing Table:    0
Average AfriNIC Region AS path length visible:                     -nan
    Max AfriNIC Region AS path length visible:                        0
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    0
Number of AfriNIC addresses announced to Internet:                    0
    Equivalent to 0 /8s, 0 /16s and 0 /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
  7575         175        330     123  AARNET-AS-AP Australian Academic and Re
 45773          45          3       5  HECPERN-AS-PK PERN AS Content Servie Pr
  1659          39       1466      35  ERX-TANET-ASN1 Taiwan Academic Network 
 17862          34         10      34  KWNU-AS-KR Kangwon National University,
  9270          32          5       6  APAN-KR-AS National Infomation Society 
134096          27          3      18  EHEALTHNSW-AS-AP eHealth NSW, AU
  9708          26          7      22  PKNU-AS Pukyong National University, KR
 24151          26          2       9  CNNIC-CRITICAL-AP China Internet Networ
 38345          26          2       9  ZDNS Internet Domain Name System Beijin
  7560          25         10      10  CHONBUK-AS Jeonbuk National University,

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  2152         145        507      84  CSUNET-NW, US
 18558         132         16       1  NETBLK-RCOEK, US
  2920         108         34       6  LACOE, US
 15296          65          5      55  CYBERA, CA
 23024          56          4       3  OCDE, US
   271          55         26      45  BCNET-AS, CA
  6360          55         62       7  UNIVHAWAII, US
 27609          45          5      21  USC-UNIVERSITY-HOSPITAL, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  7575         175        330     123  AARNET-AS-AP Australian Academic and Re
  2152         145        507      84  CSUNET-NW, US
 18558         132         16       1  NETBLK-RCOEK, US
  2920         108         34       6  LACOE, US
 15296          65          5      55  CYBERA, CA
 23024          56          4       3  OCDE, US
   271          55         26      45  BCNET-AS, CA
  6360          55         62       7  UNIVHAWAII, US

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

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

   ASN  No of nets  Net Savings  Description
 18558         132          131  NETBLK-RCOEK, US
  2920         108          102  LACOE, US
  2152         145           61  CSUNET-NW, US
 23024          56           53  OCDE, US
  7575         175           52  AARNET-AS-AP Australian Academic and Research N
   376         203           51  RISQ-AS, CA
  6360          55           48  UNIVHAWAII, US
 45773          45           40  HECPERN-AS-PK PERN AS Content Servie Provider, 
 22315          29           28  SBCSS, US
 16796          43           27  MERLIN-NET, CA

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

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       /10:1       /11:1       /12:1       
/13:2       /14:5       /15:6       /16:359     /17:44      /18:76      
/19:100     /20:164     /21:152     /22:245     /23:269     /24:2344    
/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
 23024          53          56  OCDE, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 16796          16          43  MERLIN-NET, CA
  5653          13          17  UCSF, US
  2920          10         108  LACOE, US
    47           8          13  USC-AS, US
 30713           7           7  YRDSB, CA
  2152           6         145  CSUNET-NW, US
 54032           6          11  SEATTLEPACIFICUNIV, US
   271           5          55  BCNET-AS, CA

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

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

   1:3         6:4        23:1        38:2        42:3        44:1      
  45:2        59:3        61:3        63:31       64:14       66:3      
  68:6        69:5        72:5        96:5       101:4       103:145    
 104:1       106:1       107:1       108:2       110:3       111:16     
 112:4       114:10      116:5       119:3       121:17      125:2      
 128:52      130:8       131:43      132:11      134:18      137:18     
 138:7       139:1       140:17      142:40      143:6       146:1      
 147:4       150:6       152:3       153:1       155:3       156:64     
 159:1       161:1       162:8       163:27      164:7       165:1      
 167:7       168:8       169:4       175:23      180:5       182:5      
 184:2       192:295     198:195     199:153     202:90      203:194    
 204:183     205:81      206:123     207:142     208:4       209:86     
 210:8       211:11      214:7       216:29      218:23      219:1      
 220:10      222:2      

End of report


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