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

REN Routing Table Report cscora at frr.nsrc.org
Sun Sep 19 17:05:29 UTC 2021


Global R&E Routing Table Report   17:05 GMT Sun 19 Sep, 2021

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

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

BGP routing table entries examined:                               14406
    Prefixes after maximum aggregation (per Origin AS):            8419
    Deaggregation factor:                                          1.71
    Unique aggregates announced (without unneeded subnets):        9254
Total ASes present in the Internet Routing Table:                  2148
    Prefixes per ASN:                                              6.71
Origin-only ASes present in the Internet Routing Table:            1856
Origin ASes announcing only one prefix:                             881
Transit ASes present in the Internet Routing Table:                 292
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:                                      15
    Max AS path prepend of ASN (211089)                              11
Prefixes from unregistered ASNs in the Routing Table:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      37275
Number of 32-bit ASNs visible in the Routing Table:                 464
Prefixes from 32-bit ASNs in the Routing Table:                    1368
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:                    176476384
    Equivalent to 10 /8s, 132 /16s and 208 /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:        1548

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

Prefixes being announced by APNIC Region ASes:                     3852
    Total APNIC prefixes after maximum aggregation:                2017
    APNIC Deaggregation factor:                                    1.91
Prefixes being announced from the APNIC address blocks:            3854
    Unique aggregates announced from the APNIC address blocks:     2205
APNIC Region origin ASes present in the Internet Routing Table:     438
    APNIC Prefixes per ASN:                                        8.80
APNIC Region origin ASes announcing only one prefix:                184
APNIC Region transit ASes present in the Internet Routing Table:     45
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:    158
Number of APNIC addresses announced to Internet:               44764768
    Equivalent to 2 /8s, 171 /16s and 14 /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:                      5451
    Total ARIN prefixes after maximum aggregation:                 3260
    ARIN Deaggregation factor:                                     1.67
Prefixes being announced from the ARIN address blocks:             5464
    Unique aggregates announced from the ARIN address blocks:      3688
ARIN Region origin ASes present in the Internet Routing Table:      855
    ARIN Prefixes per ASN:                                         6.39
ARIN Region origin ASes announcing only one prefix:                 314
ARIN Region transit ASes present in the Internet Routing Table:     109
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:     107
Number of ARIN addresses announced to Internet:                70226496
    Equivalent to 4 /8s, 47 /16s and 146 /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:                      3179
    Total RIPE prefixes after maximum aggregation:                 2549
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3171
    Unique aggregates announced from the RIPE address blocks:      2610
RIPE Region origin ASes present in the Internet Routing Table:      637
    RIPE Prefixes per ASN:                                         4.98
RIPE Region origin ASes announcing only one prefix:                 309
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:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     121
Number of RIPE addresses announced to Internet:                56021376
    Equivalent to 3 /8s, 86 /16s and 209 /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:                    1091
    Total LACNIC prefixes after maximum aggregation:                434
    LACNIC Deaggregation factor:                                   2.51
Prefixes being announced from the LACNIC address blocks:           1089
    Unique aggregates announced from the LACNIC address blocks:     527
LACNIC Region origin ASes present in the Internet Routing Table:    139
    LACNIC Prefixes per ASN:                                       7.83
LACNIC Region origin ASes announcing only one prefix:                54
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:    55
Number of LACNIC addresses announced to Internet:               2916032
    Equivalent to 0 /8s, 44 /16s and 126 /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:                    828
    Total AfriNIC prefixes after maximum aggregation:               154
    AfriNIC Deaggregation factor:                                  5.38
Prefixes being announced from the AfriNIC address blocks:           828
    Unique aggregates announced from the AfriNIC address blocks:    224
AfriNIC Region origin ASes present in the Internet Routing Table:    44
    AfriNIC Prefixes per ASN:                                     18.82
AfriNIC Region origin ASes announcing only one prefix:               20
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   23
Number of AfriNIC addresses announced to Internet:              2547712
    Equivalent to 0 /8s, 38 /16s and 224 /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         615       2156     457  SINET-AS Research Organization of Infor
  7497         433        214      25  CSTNET-AS-AP Computer Network Informati
  1237         188         74     135  KREONET-AS-KR KISTI, KR
 58647         176         18       2  KAGAWAU-AS Kagawa University, JP
  7575         175        329     121  AARNET-AS-AP Australian Academic and Re
  4538         172       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         128         19      22  NKN-CORE-NW NKN Core Network, IN
  2697          55          3      31  ERX-ERNET-AS Education and Research Net
  1659          54       1434      33  ERX-TANET-ASN1 Taiwan Academic Network 
  9317          49         16       1  ITISNET-AS INHA UNIVERSITY, 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        179     151  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
  2152         156        507      85  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
  2920         111         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
  3477          66         71      38  NOAA-NWAVE, US
 22742          66         52      33  CT-EDU-NET, 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         275       1998     237  DFN Verein zur Foerderung eines Deutsch
   786         186       1763     184  JANET Jisc Services Limited, GB
  8895         174         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          95       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          61         32      58  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         190        154      35  Associacao Rede Nacional de Ensino e Pe
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          49         53      31  Fundacao Carlos Chagas Filho de Amparo 
 19611          44         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
 28571          32         26      15  UNIVERSIDADE DE SAO PAULO, BR
 20191          31         16       1  Pontificia Universidad Catolica de Chil

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         340        319      72  TENET-1, ZA
327687         136         28       3  RENU, UG
 36914         101         82       3  KENET-AS, KE
  8094          55         48       4  PUKNET, ZA
327700          38         16       1  MoRENet, MZ
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          12          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         615       2156     457  SINET-AS Research Organization of Infor
  7497         433        214      25  CSTNET-AS-AP Computer Network Informati
  2018         340        319      72  TENET-1, ZA
   680         275       1998     237  DFN Verein zur Foerderung eines Deutsch
   376         226        179     151  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
  1916         190        154      35  Associacao Rede Nacional de Ensino e Pe
  1237         188         74     135  KREONET-AS-KR KISTI, KR
   786         186       1763     184  JANET Jisc Services Limited, GB
 58647         176         18       2  KAGAWAU-AS Kagawa University, JP

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         433          408  CSTNET-AS-AP Computer Network Information Cente
  2018         340          268  TENET-1, ZA
  5786         195          194  UPRENET, PR
 58647         176          174  KAGAWAU-AS Kagawa University, JP
  8895         174          170  ISU Internet Services Unit ISU, SA
  1916         190          155  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         137          133  NETBLK-RCOEK, US
327687         136          133  RENU, UG
 55824         128          106  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
     14822  UNALLOCATED  140.163.6.0/24           10466  MAGPI, US
     14822  UNALLOCATED  140.163.64.0/24          10466  MAGPI, US
     14822  UNALLOCATED  140.163.70.0/24          10466  MAGPI, US
     14822  UNALLOCATED  140.163.128.0/17         10466  MAGPI, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, 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      /14:35      /15:103     /16:1671    /17:276     /18:304     
/19:445     /20:672     /21:737     /22:1148    /23:1215    /24:7582    
/25:72      /26:58      /27:55      /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
  8895         169         174  ISU Internet Services Unit ISU, SA
 36914          88         101  KENET-AS, KE
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
327700          32          38  MoRENet, MZ
 25977          29          32  HCCS, US
  1916          27         190  Associacao Rede Nacional de Ensino e Pesquisa, 
200521          27          45  SEAP-AGE, ES
 37215          26          32  MAREN, MW
 30220          25          25  SWTELCOOP, US

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        14:84       23:3      
  24:2        31:1        37:6        38:3        41:148      42:9      
  44:4        45:25       46:6        49:10       58:4        59:10     
  60:4        61:3        62:6        63:5        64:11       66:23     
  67:34       68:1        69:17       72:12       74:14       76:17     
  77:6        78:3        79:10       80:17       81:28       82:2      
  83:7        84:3        85:31       86:9        87:1        88:1      
  89:10       91:46       92:1        93:18       94:2        95:4      
  96:5       101:3       102:10      103:205     104:5       106:1      
 108:4       109:8       110:3       111:16      112:4       114:18     
 116:5       117:2       118:17      119:18      121:27      122:8      
 124:39      128:65      129:30      130:84      131:79      132:52     
 133:138     134:87      136:186     137:107     138:8       139:4      
 140:34      141:2       142:21      143:32      144:27      146:122    
 147:26      148:7       149:13      150:19      151:6       152:62     
 153:6       154:24      155:36      156:65      157:20      158:42     
 159:116     160:25      161:15      162:11      163:61      164:35     
 165:53      166:1       167:16      168:100     169:9       170:40     
 172:1       173:1       175:21      176:8       177:8       178:1      
 179:9       180:21      182:5       184:2       185:35      186:2      
 187:18      188:12      189:3       190:36      191:6       192:1169   
 193:185     194:111     195:58      196:178     197:5       198:333    
 199:179     200:223     201:38      202:363     203:281     204:305    
 205:145     206:139     207:132     208:44      209:94      210:177    
 211:2       212:170     213:4       216:44      217:15      218:5      
 219:13      220:9       222:5       223:2      

End of report


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