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

REN Routing Table Report cscora at frr.nsrc.org
Wed Jun 16 17:05:40 UTC 2021


Global R&E Routing Table Report   17:05 GMT Wed 16 Jun, 2021

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

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

BGP routing table entries examined:                               14720
    Prefixes after maximum aggregation (per Origin AS):            8541
    Deaggregation factor:                                          1.72
    Unique aggregates announced (without unneeded subnets):        9486
Total ASes present in the Internet Routing Table:                  2161
    Prefixes per ASN:                                              6.81
Origin-only ASes present in the Internet Routing Table:            1863
Origin ASes announcing only one prefix:                             896
Transit ASes present in the Internet Routing Table:                 298
Transit-only ASes present in the Internet Routing Table:             32
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:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      36338
Number of 32-bit ASNs visible in the Routing Table:                 457
Prefixes from 32-bit ASNs in the Routing Table:                    1358
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:                    177149664
    Equivalent to 10 /8s, 143 /16s and 22 /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:        1795

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

Prefixes being announced by APNIC Region ASes:                     3907
    Total APNIC prefixes after maximum aggregation:                2075
    APNIC Deaggregation factor:                                    1.88
Prefixes being announced from the APNIC address blocks:            3909
    Unique aggregates announced from the APNIC address blocks:     2301
APNIC Region origin ASes present in the Internet Routing Table:     454
    APNIC Prefixes per ASN:                                        8.61
APNIC Region origin ASes announcing only one prefix:                200
APNIC Region transit ASes present in the Internet Routing Table:     47
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:    166
Number of APNIC addresses announced to Internet:               45148736
    Equivalent to 2 /8s, 176 /16s and 234 /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:                      5610
    Total ARIN prefixes after maximum aggregation:                 3350
    ARIN Deaggregation factor:                                     1.67
Prefixes being announced from the ARIN address blocks:             5620
    Unique aggregates announced from the ARIN address blocks:      3811
ARIN Region origin ASes present in the Internet Routing Table:      868
    ARIN Prefixes per ASN:                                         6.47
ARIN Region origin ASes announcing only one prefix:                 318
ARIN Region transit ASes present in the Internet Routing Table:     115
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:     106
Number of ARIN addresses announced to Internet:                70867328
    Equivalent to 4 /8s, 57 /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:                      3138
    Total RIPE prefixes after maximum aggregation:                 2515
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3134
    Unique aggregates announced from the RIPE address blocks:      2590
RIPE Region origin ASes present in the Internet Routing Table:      633
    RIPE Prefixes per ASN:                                         4.95
RIPE Region origin ASes announcing only one prefix:                 306
RIPE Region transit ASes present in the Internet Routing Table:      99
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:     117
Number of RIPE addresses announced to Internet:                56103040
    Equivalent to 3 /8s, 88 /16s and 16 /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:                     929
    Total LACNIC prefixes after maximum aggregation:                438
    LACNIC Deaggregation factor:                                   2.12
Prefixes being announced from the LACNIC address blocks:            927
    Unique aggregates announced from the LACNIC address blocks:     552
LACNIC Region origin ASes present in the Internet Routing Table:    125
    LACNIC Prefixes per ASN:                                       7.42
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    21
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    44
Number of LACNIC addresses announced to Internet:               2461344
    Equivalent to 0 /8s, 37 /16s and 142 /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:                   1129
    Total AfriNIC prefixes after maximum aggregation:               157
    AfriNIC Deaggregation factor:                                  7.19
Prefixes being announced from the AfriNIC address blocks:          1129
    Unique aggregates announced from the AfriNIC address blocks:    231
AfriNIC Region origin ASes present in the Internet Routing Table:    46
    AfriNIC Prefixes per ASN:                                     24.54
AfriNIC Region origin ASes announcing only one prefix:               21
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:   24
Number of AfriNIC addresses announced to Internet:              2565120
    Equivalent to 0 /8s, 39 /16s and 36 /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         424        211      23  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         165       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         128         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         225        180     149  RISQ-AS, CA
  5786         201         16       1  UPRENET, PR
  2152         160        507      91  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         119        116      46  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
264471          33          1       9  UNIVERSIDADE ESTADUAL DO OESTE DO PARAN
 20191          31         16       1  Pontificia Universidad Catolica de Chil
 28571          27         26      15  UNIVERSIDADE DE SAO PAULO, 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         423         82       3  KENET-AS, KE
  2018         321        319      72  TENET-1, ZA
327687         138         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
 37182          11          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 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         424        211      23  CSTNET-AS-AP Computer Network Informati
 36914         423         82       3  KENET-AS, KE
  2018         321        319      72  TENET-1, ZA
   680         273       1996     235  DFN Verein zur Foerderung eines Deutsch
   376         225        180     149  RISQ-AS, CA
  5786         201         16       1  UPRENET, PR
  1237         192         75     137  KREONET-AS-KR KISTI, KR
   786         187       1787     185  JANET Jisc Services Limited, GB
  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         423          420  KENET-AS, KE
  7497         424          401  CSTNET-AS-AP Computer Network Information Cente
  2018         321          249  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
327687         138          135  RENU, UG
 18558         137          133  NETBLK-RCOEK, US
 55824         128          106  NKN-CORE-NW NKN Core Network, IN
  2920         112          106  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
     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    /17:277     /18:294     
/19:471     /20:661     /21:734     /22:1147    /23:1205    /24:7891    
/25:78      /26:59      /27:50      /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         395         423  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         119  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        14:84       24:2      
  31:3        37:6        38:5        41:242      42:6        44:4      
  45:34       46:6        49:10       58:4        59:10       60:4      
  61:3        62:6        63:4        64:13       66:6        67:42     
  68:1        69:13       71:1        72:11       74:9        76:9      
  77:5        78:3        79:10       80:13       81:29       82:2      
  83:7        84:3        85:29       86:9        87:1        88:1      
  89:10       91:47       93:11       94:2        95:3        96:5      
 101:3       102:9       103:209     104:9       106:1       108:4      
 109:8       110:3       111:16      112:4       114:21      116:4      
 117:55      118:17      119:18      121:27      122:8       124:40     
 128:66      129:32      130:82      131:89      132:50      133:137    
 134:84      136:191     137:137     138:14      139:4       140:33     
 141:2       142:40      143:34      144:27      146:121     147:28     
 148:7       149:12      150:18      151:5       152:65      153:6      
 154:24      155:33      156:64      157:25      158:41      159:114    
 160:26      161:16      162:8       163:60      164:35      165:15     
 167:15      168:97      169:9       170:39      172:2       173:1      
 175:20      176:8       177:4       178:1       179:10      180:21     
 182:5       184:8       185:35      186:2       188:13      190:67     
 191:25      192:1203    193:178     194:108     195:58      196:169    
 197:205     198:335     199:186     200:165     201:7       202:377    
 203:283     204:309     205:143     206:143     207:122     208:47     
 209:92      210:174     211:2       212:165     213:4       216:31     
 217:16      218:5       219:13      220:15      222:4       223:2      


End of report


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