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

REN Routing Table Report cscora at frr.nsrc.org
Thu Jun 10 16:15:12 UTC 2021


Global R&E Routing Table Report   16:15 GMT Thu 10 Jun, 2021

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

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

BGP routing table entries examined:                               14704
    Prefixes after maximum aggregation (per Origin AS):            8533
    Deaggregation factor:                                          1.72
    Unique aggregates announced (without unneeded subnets):        9497
Total ASes present in the Internet Routing Table:                  2157
    Prefixes per ASN:                                              6.82
Origin-only ASes present in the Internet Routing Table:            1858
Origin ASes announcing only one prefix:                             889
Transit ASes present in the Internet Routing Table:                 299
Transit-only ASes present in the Internet Routing Table:             33
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:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      36282
Number of 32-bit ASNs visible in the Routing Table:                 455
Prefixes from 32-bit ASNs in the Routing Table:                    1356
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:              1
Number of addresses announced to Internet:                    177226880
    Equivalent to 10 /8s, 144 /16s and 68 /24s
    Percentage of available address space announced:                4.8
    Percentage of allocated address space announced:                4.8
    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:        1751

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

Prefixes being announced by APNIC Region ASes:                     3958
    Total APNIC prefixes after maximum aggregation:                2089
    APNIC Deaggregation factor:                                    1.89
Prefixes being announced from the APNIC address blocks:            3960
    Unique aggregates announced from the APNIC address blocks:     2341
APNIC Region origin ASes present in the Internet Routing Table:     458
    APNIC Prefixes per ASN:                                        8.65
APNIC Region origin ASes announcing only one prefix:                198
APNIC Region transit ASes present in the Internet Routing Table:     47
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:    166
Number of APNIC addresses announced to Internet:               45288768
    Equivalent to 2 /8s, 179 /16s and 13 /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:                      5548
    Total ARIN prefixes after maximum aggregation:                 3323
    ARIN Deaggregation factor:                                     1.67
Prefixes being announced from the ARIN address blocks:             5559
    Unique aggregates announced from the ARIN address blocks:      3787
ARIN Region origin ASes present in the Internet Routing Table:      860
    ARIN Prefixes per ASN:                                         6.46
ARIN Region origin ASes announcing only one prefix:                 317
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:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     104
Number of ARIN addresses announced to Internet:                70765920
    Equivalent to 4 /8s, 55 /16s and 205 /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:                      3155
    Total RIPE prefixes after maximum aggregation:                 2530
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3150
    Unique aggregates announced from the RIPE address blocks:      2595
RIPE Region origin ASes present in the Internet Routing Table:      633
    RIPE Prefixes per ASN:                                         4.98
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     117
Number of RIPE addresses announced to Internet:                56190336
    Equivalent to 3 /8s, 89 /16s and 101 /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:                     921
    Total LACNIC prefixes after maximum aggregation:                426
    LACNIC Deaggregation factor:                                   2.16
Prefixes being announced from the LACNIC address blocks:            919
    Unique aggregates announced from the LACNIC address blocks:     540
LACNIC Region origin ASes present in the Internet Routing Table:    124
    LACNIC Prefixes per ASN:                                       7.41
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    45
Number of LACNIC addresses announced to Internet:               2375008
    Equivalent to 0 /8s, 36 /16s and 61 /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:                   1115
    Total AfriNIC prefixes after maximum aggregation:               159
    AfriNIC Deaggregation factor:                                  7.01
Prefixes being announced from the AfriNIC address blocks:          1115
    Unique aggregates announced from the AfriNIC address blocks:    233
AfriNIC Region origin ASes present in the Internet Routing Table:    46
    AfriNIC Prefixes per ASN:                                     24.24
AfriNIC Region origin ASes announcing only one prefix:               20
AfriNIC Region transit ASes present in the Internet Routing Table:   10
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:              2602752
    Equivalent to 0 /8s, 39 /16s and 183 /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         618       2155     455  SINET-AS Research Organization of Infor
  7497         425        210      22  CSTNET-AS-AP Computer Network Informati
  1237         192         75     137  KREONET-AS-KR KISTI, KR
  7575         182        331     126  AARNET-AS-AP Australian Academic and Re
 58647         176         18       2  KAGAWAU-AS Kagawa University, JP
  4538         168       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         127         19      22  NKN-CORE-NW NKN Core Network, IN
  1659          55       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
  2697          55          3      31  ERX-ERNET-AS Education and Research Net
 23570          53          4      20  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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         226        180     149  RISQ-AS, CA
  5786         185         16       1  UPRENET, PR
  2152         160        507      92  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         117        297      87  AS270, US
  2920         112         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
 22742          66         51      32  CT-EDU-NET, US
  3477          65         71      39  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         116        550     107  SWITCH Peering requests: (peering at switc
  1103          96       1520      84  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
  2200          66        647      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          52        151      49  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         120        120      47  Associacao Rede Nacional de Ensino e Pe
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          66         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          51         53      33  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
 20191          31         16       1  Pontificia Universidad Catolica de Chil
 28571          27         26      15  UNIVERSIDADE DE SAO PAULO, BR
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
 36914         409         82       3  KENET-AS, KE
  2018         321        319      72  TENET-1, ZA
327687         137         28       3  RENU, UG
  8094          55         48       4  PUKNET, ZA
327700          38         16       1  MoRENet, MZ
 37215          29          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37182          10          8       1  TERNET, TZ
 36982           8         33       8  UCT, 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         618       2155     455  SINET-AS Research Organization of Infor
  7497         425        210      22  CSTNET-AS-AP Computer Network Informati
 36914         409         82       3  KENET-AS, KE
  2018         321        319      72  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
   376         226        180     149  RISQ-AS, CA
  1237         192         75     137  KREONET-AS-KR KISTI, KR
   786         187       1787     185  JANET Jisc Services Limited, GB
  5786         185         16       1  UPRENET, PR
  7575         182        331     126  AARNET-AS-AP Australian Academic and Re

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         409          406  KENET-AS, KE
  7497         425          403  CSTNET-AS-AP Computer Network Information Cente
  2018         321          249  TENET-1, ZA
  5786         185          184  UPRENET, PR
 58647         176          174  KAGAWAU-AS Kagawa University, JP
  8895         172          168  ISU Internet Services Unit (ISU), SA
327687         137          134  RENU, UG
 18558         137          133  NETBLK-RCOEK, US
  2920         112          106  LACOE, US
 55824         127          105  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
     36843  UNALLOCATED  108.59.20.0/24           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
    328439  UNALLOCATED  164.160.240.0/20        327992  GHANAIAN-ACADEMIC-AND-RESEAR

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

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

Unassigned Network     ASN Information  AS Name
164.160.240.0/20     Origin:    328439  UNASSIGNED
                    Transit:    327992  GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK, 

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       /11:1       /12:10      
/13:19      /14:35      /15:103     /16:1682    /17:274     /18:302     
/19:474     /20:661     /21:745     /22:1153    /23:1202    /24:7852    
/25:78      /26:59      /27:51      /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         383         409  KENET-AS, KE
  8895         167         172  ISU Internet Services Unit (ISU), SA
 23024          53          56  OCDE, US
327700          32          38  MoRENet, MZ
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 25977          29          32  HCCS, US
200521          26          42  SEAP-AGE, ES
  1916          24         120  Associacao Rede Nacional de Ensino e Pesquisa, 
  2614          24          62  ROEDUNET, RO
 37215          23          29  MAREN, MW

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        14:83       24:2      
  31:3        37:6        38:4        41:237      42:9        44:4      
  45:37       46:6        49:10       58:4        59:10       60:4      
  61:3        62:6        63:4        64:13       66:6        67:35     
  68:1        69:13       71:1        72:11       74:8        76:6      
  77:5        78:3        79:10       80:12       81:29       82:2      
  83:7        84:3        85:29       86:9        87:1        88:1      
  89:10       91:46       93:11       94:2        95:3        96:5      
 101:3       102:8       103:209     104:9       106:1       108:3      
 109:8       110:3       111:16      112:4       114:21      116:4      
 117:55      118:17      119:18      121:27      122:8       123:8      
 124:40      125:1       128:66      129:32      130:82      131:84     
 132:49      133:137     134:84      136:175     137:137     138:12     
 139:4       140:31      141:2       142:40      143:34      144:27     
 146:121     147:27      148:7       149:12      150:18      151:5      
 152:65      153:6       154:24      155:33      156:64      157:25     
 158:41      159:113     160:26      161:16      162:8       163:60     
 164:35      165:14      167:15      168:97      169:9       170:37     
 172:1       173:1       175:20      176:8       177:4       178:1      
 179:6       180:21      182:5       184:6       185:35      186:2      
 187:1       188:13      190:67      191:25      192:1207    193:180    
 194:110     195:61      196:169     197:197     198:332     199:185    
 200:161     201:7       202:382     203:287     204:311     205:143    
 206:144     207:120     208:47      209:93      210:174     211:2      
 212:165     213:4       216:30      217:16      218:5       219:13     
 220:15      222:4       223:2      

End of report


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