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

REN Routing Table Report cscora at frr.nsrc.org
Sun Jan 9 17:05:30 UTC 2022


IPv4 R&E Routing Table Report   17:05 GMT Sun 09 Jan, 2022

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

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

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

BGP routing table entries examined:                               14323
    Prefixes after maximum aggregation (per Origin AS):            8403
    Deaggregation factor:                                          1.70
    Unique aggregates announced (without unneeded subnets):        9274
Total ASes present in the Internet Routing Table:                  2170
    Prefixes per ASN:                                              6.60
Origin-only ASes present in the Internet Routing Table:            1868
Origin ASes announcing only one prefix:                             894
Transit ASes present in the Internet Routing Table:                 302
Transit-only ASes present in the Internet Routing Table:             38
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      14
    Max AS path prepend of ASN (  5474)                              11
Prefixes from unregistered ASNs in the Routing Table:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      38266
Number of 32-bit ASNs visible in the Routing Table:                 487
Prefixes from 32-bit ASNs in the Routing Table:                    1330
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:              1
Number of addresses announced to Internet:                    171734912
    Equivalent to 10 /8s, 60 /16s and 119 /24s
    Percentage of available address space announced:                4.6
    Percentage of allocated address space announced:                4.6
    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:        1598

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

Prefixes being announced by APNIC Region ASes:                     3703
    Total APNIC prefixes after maximum aggregation:                1978
    APNIC Deaggregation factor:                                    1.87
Prefixes being announced from the APNIC address blocks:            3704
    Unique aggregates announced from the APNIC address blocks:     2146
APNIC Region origin ASes present in the Internet Routing Table:     438
    APNIC Prefixes per ASN:                                        8.46
APNIC Region origin ASes announcing only one prefix:                193
APNIC Region transit ASes present in the Internet Routing Table:     50
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    163
Number of APNIC addresses announced to Internet:               38908480
    Equivalent to 2 /8s, 81 /16s and 178 /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:                      5450
    Total ARIN prefixes after maximum aggregation:                 3270
    ARIN Deaggregation factor:                                     1.67
Prefixes being announced from the ARIN address blocks:             5460
    Unique aggregates announced from the ARIN address blocks:      3680
ARIN Region origin ASes present in the Internet Routing Table:      879
    ARIN Prefixes per ASN:                                         6.21
ARIN Region origin ASes announcing only one prefix:                 320
ARIN Region transit ASes present in the Internet Routing Table:     116
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     118
Number of ARIN addresses announced to Internet:                70788800
    Equivalent to 4 /8s, 56 /16s and 38 /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:                      3145
    Total RIPE prefixes after maximum aggregation:                 2519
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3137
    Unique aggregates announced from the RIPE address blocks:      2617
RIPE Region origin ASes present in the Internet Routing Table:      619
    RIPE Prefixes per ASN:                                         5.07
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:      97
Average RIPE Region AS path length visible:                         3.7
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     123
Number of RIPE addresses announced to Internet:                55648480
    Equivalent to 3 /8s, 81 /16s and 32 /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:                    1129
    Total LACNIC prefixes after maximum aggregation:                448
    LACNIC Deaggregation factor:                                   2.52
Prefixes being announced from the LACNIC address blocks:           1127
    Unique aggregates announced from the LACNIC address blocks:     535
LACNIC Region origin ASes present in the Internet Routing Table:    146
    LACNIC Prefixes per ASN:                                       7.72
LACNIC Region origin ASes announcing only one prefix:                59
LACNIC Region transit ASes present in the Internet Routing Table:    21
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    59
Number of LACNIC addresses announced to Internet:               3740320
    Equivalent to 0 /8s, 57 /16s and 18 /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:                    894
    Total AfriNIC prefixes after maximum aggregation:               186
    AfriNIC Deaggregation factor:                                  4.81
Prefixes being announced from the AfriNIC address blocks:           894
    Unique aggregates announced from the AfriNIC address blocks:    295
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     18.62
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2648576
    Equivalent to 0 /8s, 40 /16s and 106 /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         624       2156     457  SINET-AS Research Organization of Infor
  7497         428        177      19  CSTNET-AS-AP Computer Network Informati
  1237         188         74     135  KREONET-AS-KR KISTI, KR
  7575         177        330     123  AARNET-AS-AP Australian Academic and Re
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP
  4538         175       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         127         19      22  NKN-CORE-NW NKN Core Network, IN
  2697          54          3      32  ERX-ERNET-AS Education and Research Net
132524          49          9      11  TIFR-AS Tata Institute of Fundamental R
 45773          47          3       5  HECPERN-AS-PK PERN AS Content Servie Pr

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         200        178     149  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
  2152         144        507      86  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
  2920         111         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
 22742          69         53      34  CT-EDU-NET, US
 15296          66          5      56  CYBERA, CA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         184         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
  2200          67        647      61  FR-RENATER Reseau National de telecommu
  2614          59         33      57  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol
  1653          53        167      50  SUNET SUNET Swedish University Network,

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         200        203      43  Rede Nacional de Ensino e Pesquisa, BR
 11340          95         24      55  Red Universitaria Nacional, CL
  1251          65         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          44         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28571          37         26      15  UNIVERSIDADE DE SAO PAULO, BR
 20191          31         16       1  Pontificia Universidad Catolica de Chil
271640          27          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         348        319      72  TENET-1, ZA
 36914         207         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          44         16       1  MoRENet, MZ
327687          38         28       3  RENU, UG
  6879          24          2       9  ENSTINET-, EG
 37182          11          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 37074          10          7       7  UG-AS, GH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         624       2156     457  SINET-AS Research Organization of Infor
  7497         428        177      19  CSTNET-AS-AP Computer Network Informati
  2018         348        319      72  TENET-1, ZA
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
 36914         207         82       3  KENET-AS, KE
   376         200        178     149  RISQ-AS, CA
  1916         200        203      43  Rede Nacional de Ensino e Pesquisa, BR
  5786         195         16       1  UPRENET, PR
  1237         188         74     135  KREONET-AS-KR KISTI, KR
   786         186       1774     183  JANET Jisc Services Limited, GB

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

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

   ASN  No of nets  Net Savings  Description
  7497         428          409  CSTNET-AS-AP Computer Network Information Cente
  2018         348          276  TENET-1, ZA
 36914         207          204  KENET-AS, KE
  5786         195          194  UPRENET, PR
  8895         184          180  ISU Internet Services Unit ISU, SA
 58647         177          175  KAGAWAU-AS Kagawa University, JP
  1916         200          157  Rede Nacional de Ensino e Pesquisa, BR
 18558         135          131  NETBLK-RCOEK, US
 55824         127          105  NKN-CORE-NW NKN Core Network, IN
  2920         111          105  LACOE, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US

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

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

Unassigned Network     ASN Information  AS Name
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, NL

Complete listing at https://bgp.nsrc.org/REN/ASREN/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       /11:0       /12:9       
/13:16      /14:33      /15:103     /16:1667    /17:294     /18:306     
/19:452     /20:650     /21:726     /22:1140    /23:1228    /24:7508    
/25:71      /26:59      /27:58      /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         193         207  KENET-AS, KE
  8895         179         184  ISU Internet Services Unit ISU, SA
 23024          53          56  OCDE, US
327700          38          44  MoRENet, MZ
 25977          29          32  HCCS, US
200521          29          48  SEAP-AGE, ES
  1916          26         200  Rede Nacional de Ensino e Pesquisa, BR
 30220          25          25  SWTELCOOP, US
 31638          21          21  ASN-LEPIDA, IT
  2614          20          59  ROEDUNET, RO

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

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

   1:2         5:15        8:2        12:1        14:83       23:2      
  24:3        31:1        37:6        38:3        41:125      42:9      
  44:4        45:24       46:6        49:8        58:7        59:3      
  60:4        61:2        62:6        63:5        64:16       66:23     
  67:34       68:1        69:18       71:1        72:10       74:12     
  76:6        77:7        78:3        79:10       80:10       81:27     
  82:3        83:7        84:3        85:25       86:7        87:1      
  88:1        89:10       91:45       93:18       94:2        95:5      
  96:5       101:4       102:11      103:210     104:5       106:1      
 108:4       109:10      110:3       111:16      112:4       114:17     
 116:5       117:2       119:22      121:27      123:8       124:39     
 125:1       128:68      129:30      130:83      131:74      132:51     
 133:139     134:88      136:186     137:45      138:8       139:4      
 140:34      141:2       142:22      143:31      144:25      145:2      
 146:124     147:25      148:7       149:13      150:16      151:2      
 152:63      153:6       154:26      155:46      156:67      157:26     
 158:38      159:116     160:25      161:15      162:15      163:60     
 164:44      165:16      166:1       167:16      168:96      169:8      
 170:45      172:1       173:1       175:19      176:8       177:8      
 178:1       179:8       180:21      182:6       184:1       185:37     
 186:3       187:1       188:13      189:3       190:43      191:7      
 192:1184    193:217     194:106     195:83      196:148     197:117    
 198:342     199:189     200:232     201:23      202:346     203:274    
 204:278     205:94      206:147     207:131     208:43      209:94     
 210:176     211:1       212:172     213:3       216:50      217:13     
 218:5       219:11      220:12      222:5       223:3      

End of report


More information about the ren-bgp-stats-all mailing list