[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Sun Mar 13 19:05:30 UTC 2022


IPv4 R&E Routing Table Report   19:05 GMT Sun 13 Mar, 2022

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

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

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

BGP routing table entries examined:                               18661
    Prefixes after maximum aggregation (per Origin AS):           10507
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11669
    Number of IPv4 prefixes with a valid ROA:                      7798
    Number of IPv4 prefixes with an invalid ROA:                     42
    Number of IPv4 prefixes with no ROA:                          29482
Total ASes present in the Internet Routing Table:                  2760
    Prefixes per ASN:                                              6.76
Origin-only ASes present in the Internet Routing Table:            2386
Origin ASes announcing only one prefix:                            1106
Transit ASes present in the Internet Routing Table:                 374
Transit-only ASes present in the Internet Routing Table:             52
Average AS path length visible in the Internet Routing Table:       6.6
    Max AS path length visible:                                      17
    Max AS path prepend of ASN (211089)                              11
Prefixes from unregistered ASNs in the Routing Table:                 8
    Number of instances of unregistered ASNs:                         8
Number of 32-bit ASNs allocated by the RIRs:                      38793
Number of 32-bit ASNs visible in the Routing Table:                 616
Prefixes from 32-bit ASNs in the Routing Table:                    1649
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    205586432
    Equivalent to 12 /8s, 65 /16s and 0 /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:        1967

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

Prefixes being announced by APNIC Region ASes:                     4825
    Total APNIC prefixes after maximum aggregation:                2314
    APNIC Deaggregation factor:                                    2.09
Prefixes being announced from the APNIC address blocks:            4829
    Unique aggregates announced from the APNIC address blocks:     2613
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.28
APNIC Region origin ASes announcing only one prefix:                250
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    223
Number of APNIC addresses announced to Internet:               46082304
    Equivalent to 2 /8s, 191 /16s and 41 /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:                      8060
    Total ARIN prefixes after maximum aggregation:                 4627
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             8078
    Unique aggregates announced from the ARIN address blocks:      5235
ARIN Region origin ASes present in the Internet Routing Table:     1226
    ARIN Prefixes per ASN:                                         6.59
ARIN Region origin ASes announcing only one prefix:                 450
ARIN Region transit ASes present in the Internet Routing Table:     160
Average ARIN Region AS path length visible:                         7.4
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     168
Number of ARIN addresses announced to Internet:                94559488
    Equivalent to 5 /8s, 162 /16s and 221 /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:                      3450
    Total RIPE prefixes after maximum aggregation:                 2807
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3436
    Unique aggregates announced from the RIPE address blocks:      2765
RIPE Region origin ASes present in the Internet Routing Table:      678
    RIPE Prefixes per ASN:                                         5.07
RIPE Region origin ASes announcing only one prefix:                 317
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     135
Number of RIPE addresses announced to Internet:                58062336
    Equivalent to 3 /8s, 117 /16s and 246 /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:                    1396
    Total LACNIC prefixes after maximum aggregation:                565
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1394
    Unique aggregates announced from the LACNIC address blocks:     763
LACNIC Region origin ASes present in the Internet Routing Table:    166
    LACNIC Prefixes per ASN:                                       8.40
LACNIC Region origin ASes announcing only one prefix:                68
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       8.1
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4147712
    Equivalent to 0 /8s, 63 /16s and 74 /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:                    922
    Total AfriNIC prefixes after maximum aggregation:               186
    AfriNIC Deaggregation factor:                                  4.96
Prefixes being announced from the AfriNIC address blocks:           922
    Unique aggregates announced from the AfriNIC address blocks:    291
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     18.82
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:   14
Average AfriNIC Region AS path length visible:                      6.3
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2734080
    Equivalent to 0 /8s, 41 /16s and 184 /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         584       2157     458  SINET-AS Research Organization of Infor
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  1237         186         74     135  KREONET-AS-KR KISTI, KR
  7575         176        330     123  AARNET-AS-AP Australian Academic and Re
 58647         167         18       2  KAGAWAU-AS Kagawa University, JP
  4758         162         16       1  NICNET-VSNL-BOARDER-AP National Informa
 55824         135         19      28  NKN-CORE-NW NKN Core Network, IN
  4538         128       4192      72  ERX-CERNET-BKB China Education and Rese
  4621          79         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         252         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         182         16       1  UPRENET, PR
  2152         151        507      91  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
 23024         114          7      17  OCDE, US
  2920         108         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         278       1965     244  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         141         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2614          69         30      59  ROEDUNET, RO
  2200          65        615      60  FR-RENATER Reseau National de telecommu
  1930          58         81      53  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         157        208      45  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  1251          60         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          43         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         372        319      74  TENET-1, ZA
 36914         205         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          40         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          17          8       1  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         584       2157     458  SINET-AS Research Organization of Infor
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  2018         372        319      74  TENET-1, ZA
   680         278       1965     244  DFN Verein zur Foerderung eines Deutsch
  7896         252         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
 36914         205         82       3  KENET-AS, KE
   376         203        178     152  RISQ-AS, CA
   786         186       1774     183  JANET Jisc Services Limited, GB
  1237         186         74     135  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
  7497         430          406  CSTNET-AS-AP Computer Network Information Cente
  2018         372          298  TENET-1, ZA
  7896         252          245  NU-AS, US
 36914         205          202  KENET-AS, KE
  5786         182          181  UPRENET, PR
 58647         167          165  KAGAWAU-AS Kagawa University, JP
  4758         162          161  NICNET-VSNL-BOARDER-AP National Informatics Cen
  8895         141          137  ISU Internet Services Unit ISU, SA
 18558         135          131  NETBLK-RCOEK, US
  1916         157          112  Rede Nacional de Ensino e Pesquisa, BR

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65200  PRIVATE      43.224.124.0/22         132124  ICTA-LK Information and Comm
     65200  PRIVATE      103.11.32.0/22          132124  ICTA-LK Information and Comm
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-spar

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re

Complete listing at https://bgp.nsrc.org/REN/BDREN/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      
/13:17      /14:34      /15:122     /16:2015    /17:396     /18:439     
/19:573     /20:892     /21:902     /22:1436    /23:1581    /24:10240   
/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
 36914         192         205  KENET-AS, KE
  8895         136         141  ISU Internet Services Unit ISU, SA
 23024          53         114  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
327700          31          33  MoRENet, MZ
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 18632          29          55  VOLCANO-VISION, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US

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

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

   1:4         5:15        6:4         8:2        12:1        14:85     
  18:42       23:10       24:3        31:6        37:6        38:9      
  40:1        41:124      42:9        44:5        45:36       46:6      
  47:1        49:10       50:4        52:1        59:20       60:4      
  61:3        62:7        63:38       64:57       65:4        66:51     
  67:44       68:8        69:20       70:2        71:1        72:10     
  74:20       76:34       77:7        78:3        79:10       80:15     
  81:28       82:4        83:6        84:4        85:38       86:4      
  87:1        88:1        89:10       91:43       92:1        93:23     
  94:4        95:5        97:1        98:2       101:6       102:13     
 103:313     104:77      106:1       107:17      108:8       109:10     
 110:3       111:20      114:23      116:5       117:61      118:32     
 119:21      121:27      122:8       123:8       124:39      125:4      
 128:81      129:178     130:92      131:90      132:56      133:141    
 134:99      136:175     137:88      138:8       139:5       140:50     
 141:1       142:41      143:31      144:52      145:2       146:127    
 147:59      148:192     149:13      150:42      151:6       152:71     
 153:13      154:26      155:51      156:68      157:26      158:42     
 159:116     160:25      161:22      162:21      163:65      164:163    
 165:55      166:1       167:16      168:124     169:10      170:67     
 171:1       172:2       173:7       175:29      176:8       177:12     
 179:11      180:21      182:6       184:3       185:39      186:3      
 187:19      188:13      189:5       190:33      191:33      192:1348   
 193:272     194:140     195:84      196:162     197:113     198:493    
 199:280     200:244     201:39      202:637     203:424     204:302    
 205:165     206:199     207:174     208:70      209:121     210:182    
 211:13      212:148     213:5       214:7       216:86      217:11     
 218:22      219:6       220:16      222:5       223:3      

End of report


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