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

REN Routing Table Report cscora at frr.nsrc.org
Tue Apr 20 17:15:12 UTC 2021


Global R&E Routing Table Report   17:15 GMT Tue 20 Apr, 2021

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

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

BGP routing table entries examined:                               15080
    Prefixes after maximum aggregation (per Origin AS):            8599
    Deaggregation factor:                                          1.75
    Unique aggregates announced (without unneeded subnets):        9610
Total ASes present in the Internet Routing Table:                  2220
    Prefixes per ASN:                                              6.79
Origin-only ASes present in the Internet Routing Table:            1922
Origin ASes announcing only one prefix:                             914
Transit ASes present in the Internet Routing Table:                 298
Transit-only ASes present in the Internet Routing Table:             36
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      17
    Max AS path prepend of ASN (  5474)                              11
Prefixes from unregistered ASNs in the Routing Table:                11
    Number of instances of unregistered ASNs:                        11
Number of 32-bit ASNs allocated by the RIRs:                      35764
Number of 32-bit ASNs visible in the Routing Table:                 465
Prefixes from 32-bit ASNs in the Routing Table:                    1390
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:                    181277728
    Equivalent to 10 /8s, 206 /16s and 20 /24s
    Percentage of available address space announced:                4.9
    Percentage of allocated address space announced:                4.9
    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:        1833

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

Prefixes being announced by APNIC Region ASes:                     3994
    Total APNIC prefixes after maximum aggregation:                2127
    APNIC Deaggregation factor:                                    1.88
Prefixes being announced from the APNIC address blocks:            3996
    Unique aggregates announced from the APNIC address blocks:     2388
APNIC Region origin ASes present in the Internet Routing Table:     462
    APNIC Prefixes per ASN:                                        8.65
APNIC Region origin ASes announcing only one prefix:                203
APNIC Region transit ASes present in the Internet Routing Table:     48
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    167
Number of APNIC addresses announced to Internet:               45471808
    Equivalent to 2 /8s, 181 /16s and 216 /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, 131072-143673
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:                      5785
    Total ARIN prefixes after maximum aggregation:                 3420
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             5802
    Unique aggregates announced from the ARIN address blocks:      3894
ARIN Region origin ASes present in the Internet Routing Table:      934
    ARIN Prefixes per ASN:                                         6.21
ARIN Region origin ASes announcing only one prefix:                 348
ARIN Region transit ASes present in the Internet Routing Table:     113
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     109
Number of ARIN addresses announced to Internet:                73903680
    Equivalent to 4 /8s, 103 /16s and 174 /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:                      3027
    Total RIPE prefixes after maximum aggregation:                 2432
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3020
    Unique aggregates announced from the RIPE address blocks:      2527
RIPE Region origin ASes present in the Internet Routing Table:      598
    RIPE Prefixes per ASN:                                         5.05
RIPE Region origin ASes announcing only one prefix:                 287
RIPE Region transit ASes present in the Internet Routing Table:      98
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:     112
Number of RIPE addresses announced to Internet:                55675808
    Equivalent to 3 /8s, 81 /16s and 139 /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:                    1068
    Total LACNIC prefixes after maximum aggregation:                440
    LACNIC Deaggregation factor:                                   2.43
Prefixes being announced from the LACNIC address blocks:           1067
    Unique aggregates announced from the LACNIC address blocks:     540
LACNIC Region origin ASes present in the Internet Routing Table:    140
    LACNIC Prefixes per ASN:                                       7.62
LACNIC Region origin ASes announcing only one prefix:                55
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:    54
Number of LACNIC addresses announced to Internet:               3637760
    Equivalent to 0 /8s, 55 /16s and 130 /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:                   1195
    Total AfriNIC prefixes after maximum aggregation:               170
    AfriNIC Deaggregation factor:                                  7.03
Prefixes being announced from the AfriNIC address blocks:          1195
    Unique aggregates announced from the AfriNIC address blocks:    261
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     25.43
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   23
Number of AfriNIC addresses announced to Internet:              2588672
    Equivalent to 0 /8s, 39 /16s and 128 /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         619       2156     456  SINET-AS Research Organization of Infor
  7497         426        210      22  CSTNET-AS-AP Computer Network Informati
  1237         186         75     132  KREONET-AS-KR KISTI, KR
  7575         186        347     132  AARNET-AS-AP Australian Academic and Re
 58647         176         18       2  KAGAWAU-AS Kagawa University, JP
  4538         158       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         127         18      21  NKN-CORE-NW NKN Core Network, IN
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          55       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
  2697          55          3      31  ERX-ERNET-AS Education and Research Net

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         234        180     156  RISQ-AS, CA
  5786         201         16       1  UPRENET, PR
  2152         160        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
  2920         112         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
 22742          84         61      45  CT-EDU-NET, US
  1736          80         16       1  MU-AS, US
 15296          65          5      54  CYBERA, CA
  3477          63         70      37  NOAA-NWAVE, US

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         273       1996     235  DFN Verein zur Foerderung eines Deutsch
   786         187       1787     185  JANET Jisc Services Limited, GB
  8895         172         24       4  ISU Internet Services Unit (ISU), SA
   559         115        550     106  SWITCH Peering requests: (peering at switc
  1103          95       1520      84  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
  2200          66        646      61  FR-RENATER Reseau National de telecommu
  2614          62         32      59  ROEDUNET, RO
  1930          56         82      51  RCCN Fundacao para a Ciencia e a Tecnol
  1653          49        151      48  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         198        211      39  Associacao Rede Nacional de Ensino e Pe
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          67         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 20191          31         16       1  Pontificia Universidad Catolica de Chil
 28571          31         10      19  UNIVERSIDADE DE SAO PAULO, BR
  3597          23          2      17  Fundacion InnovaT, AR

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
 36914         412         82       3  KENET-AS, KE
  2018         322        319      72  TENET-1, ZA
327687         136         28       3  RENU, UG
327700          87         16       1  MoRENet, MZ
  8094          55         48       4  PUKNET, ZA
  2561          32          2      13  EUN, EG
 37215          29          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          11          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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         619       2156     456  SINET-AS Research Organization of Infor
  7497         426        210      22  CSTNET-AS-AP Computer Network Informati
 36914         412         82       3  KENET-AS, KE
  2018         322        319      72  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
   376         234        180     156  RISQ-AS, CA
  5786         201         16       1  UPRENET, PR
  1916         198        211      39  Associacao Rede Nacional de Ensino e Pe
   786         187       1787     185  JANET Jisc Services Limited, GB
  1237         186         75     132  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
 36914         412          409  KENET-AS, KE
  7497         426          404  CSTNET-AS-AP Computer Network Information Cente
  2018         322          250  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         176          174  KAGAWAU-AS Kagawa University, JP
  8895         172          168  ISU Internet Services Unit (ISU), SA
  1916         198          159  Associacao Rede Nacional de Ensino e Pesquisa, 
327687         136          133  RENU, UG
 18558         134          130  NETBLK-RCOEK, US
 55824         127          106  NKN-CORE-NW NKN Core Network, IN

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
     36843  UNALLOCATED  64.56.80.0/23            11096  FLORIDANET, US
     19658  UNALLOCATED  65.205.131.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  108.59.20.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  108.59.23.0/24           11096  FLORIDANET, US
     36843  UNALLOCATED  131.91.183.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  146.201.218.0/24         11096  FLORIDANET, US
     36843  UNALLOCATED  146.201.219.0/24         11096  FLORIDANET, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
     36843  UNALLOCATED  199.44.67.0/24           11096  FLORIDANET, US

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

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      
/13:19      /14:33      /15:111     /16:1731    /17:297     /18:310     
/19:486     /20:695     /21:762     /22:1154    /23:1223    /24:8056    
/25:74      /26:58      /27:57      /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         384         412  KENET-AS, KE
  8895         167         172  ISU Internet Services Unit (ISU), SA
327700          81          87  MoRENet, MZ
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
200521          26          42  SEAP-AGE, ES
 30220          25          25  SWTELCOOP, US
 32440          25          38  LONI, US
  1916          24         198  Associacao Rede Nacional de Ensino e Pesquisa, 
  2614          24          62  ROEDUNET, RO

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

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

   1:1         5:15        8:2        12:1        14:84       23:1      
  24:2        31:3        37:6        38:6        41:281      42:8      
  44:4        45:32       46:6        49:10       58:4        59:11     
  60:4        61:3        62:6        63:4        64:25       65:2      
  66:25       67:12       68:1        69:13       71:1        72:11     
  74:9        76:28       77:4        78:3        79:10       80:11     
  81:29       82:1        83:8        84:3        85:22       86:6      
  87:1        88:1        89:10       91:46       93:12       94:2      
  95:3        96:5       101:3       102:8       103:213     104:9      
 106:1       108:8       109:8       110:3       111:16      112:4      
 114:23      116:4       117:61      118:17      119:18      121:27     
 122:9       123:8       124:40      125:1       128:67      129:37     
 130:91      131:89      132:55      133:137     134:85      136:191    
 137:103     138:13      139:4       140:32      141:2       142:28     
 143:32      144:27      146:121     147:30      148:6       149:13     
 150:34      151:5       152:65      153:5       154:24      155:53     
 156:64      157:25      158:40      159:112     160:26      161:15     
 162:10      163:60      164:35      165:13      166:1       167:11     
 168:90      169:9       170:38      172:1       173:1       175:20     
 176:8       177:5       178:1       179:9       180:21      182:5      
 184:4       185:31      186:3       187:16      188:11      189:6      
 190:40      191:1       192:1129    193:174     194:96      195:89     
 196:169     197:201     198:376     199:204     200:235     201:38     
 202:374     203:289     204:320     205:150     206:155     207:123    
 208:49      209:93      210:164     211:14      212:166     213:2      
 216:27      217:15      218:5       219:13      220:21      222:4      
 223:1      

End of report


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