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

REN Routing Table Report cscora at frr.nsrc.org
Sat Jul 2 20:25:49 UTC 2022


IPv4 R&E Routing Table Report   20:25 GMT Sat 02 Jul, 2022

  IPv4 BGP Table (R&E) as seen at AIT.

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

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

BGP routing table entries examined:                               33880
    Prefixes after maximum aggregation (per Origin AS):           13917
    Deaggregation factor:                                          2.43
    Unique aggregates announced (without unneeded subnets):       15505
    Number of IPv4 prefixes with a valid ROA:                     13098
    Number of IPv4 prefixes with an invalid ROA:                    226
    Number of IPv4 prefixes with no ROA:                          20556
Total ASes present in the Internet Routing Table:                  3426
    Prefixes per ASN:                                              9.89
Origin-only ASes present in the Internet Routing Table:            2926
Origin ASes announcing only one prefix:                            1220
Transit ASes present in the Internet Routing Table:                 500
Transit-only ASes present in the Internet Routing Table:             65
Paths with bogon ASNs present in the IPv4 Routing Table:              5
Average AS path length visible in the Internet Routing Table:       6.3
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (133385)                              11
Prefixes from unregistered ASNs in the Routing Table:                10
    Number of instances of unregistered ASNs:                        10
Number of 32-bit ASNs allocated by the RIRs:                      39725
Number of 32-bit ASNs visible in the Routing Table:                 995
Prefixes from 32-bit ASNs in the Routing Table:                    5951
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:              5
Number of addresses announced to Internet:                    238628352
    Equivalent to 14 /8s, 57 /16s and 46 /24s
    Percentage of available address space announced:                6.4
    Percentage of allocated address space announced:                6.4
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        2686

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

Prefixes being announced by APNIC Region ASes:                    19414
    Total APNIC prefixes after maximum aggregation:                5231
    APNIC Deaggregation factor:                                    3.71
Prefixes being announced from the APNIC address blocks:           19307
    Unique aggregates announced from the APNIC address blocks:     5868
APNIC Region origin ASes present in the Internet Routing Table:    1170
    APNIC Prefixes per ASN:                                       16.50
APNIC Region origin ASes announcing only one prefix:                362
APNIC Region transit ASes present in the Internet Routing Table:    181
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         19
Number of APNIC region 32-bit ASNs visible in the Routing Table:    581
Number of APNIC addresses announced to Internet:               61783808
    Equivalent to 3 /8s, 174 /16s and 191 /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:                      8512
    Total ARIN prefixes after maximum aggregation:                 5022
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             8548
    Unique aggregates announced from the ARIN address blocks:      5642
ARIN Region origin ASes present in the Internet Routing Table:     1276
    ARIN Prefixes per ASN:                                         6.70
ARIN Region origin ASes announcing only one prefix:                 454
ARIN Region transit ASes present in the Internet Routing Table:     162
Average ARIN Region AS path length visible:                         7.9
    Max ARIN Region AS path length visible:                          18
Number of ARIN region 32-bit ASNs visible in the Routing Table:     178
Number of ARIN addresses announced to Internet:               109825280
    Equivalent to 6 /8s, 139 /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:                      3602
    Total RIPE prefixes after maximum aggregation:                 2896
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3631
    Unique aggregates announced from the RIPE address blocks:      2902
RIPE Region origin ASes present in the Internet Routing Table:      696
    RIPE Prefixes per ASN:                                         5.22
RIPE Region origin ASes announcing only one prefix:                 317
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         7.0
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     145
Number of RIPE addresses announced to Internet:                59620096
    Equivalent to 3 /8s, 141 /16s and 187 /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:                    1411
    Total LACNIC prefixes after maximum aggregation:                557
    LACNIC Deaggregation factor:                                   2.53
Prefixes being announced from the LACNIC address blocks:           1412
    Unique aggregates announced from the LACNIC address blocks:     759
LACNIC Region origin ASes present in the Internet Routing Table:    161
    LACNIC Prefixes per ASN:                                       8.77
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       9.0
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4728320
    Equivalent to 0 /8s, 72 /16s and 38 /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:                    931
    Total AfriNIC prefixes after maximum aggregation:               201
    AfriNIC Deaggregation factor:                                  4.63
Prefixes being announced from the AfriNIC address blocks:           977
    Unique aggregates announced from the AfriNIC address blocks:    329
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     19.94
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      7.3
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2669568
    Equivalent to 0 /8s, 40 /16s and 188 /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
 23969        1987        314      16  TOT-NET TOT Public Company Limited, TH
  7470         713        528      43  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         680        170      58  NCIC-TW New Century InfoComm Tech Co., 
131090         638         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         571       2140     453  SINET-AS Research Organization of Infor
  4621         528         73      18  UNINET-AS-AP UNINET-, TH
 45458         480         34      62  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
131596         462         82      14  TBCOM-NET TBC, TW
  4750         449         94      15  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  7497         429        182      24  CSTNET-AS-AP Computer Network Informati

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         208        702     176  DNIC-AS-00668, US
   376         204        178     153  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         155        507      91  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
 23024         114          7      17  OCDE, US
  8075         109       4108     105  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2920         108         34       7  LACOE, US
 19551         104          7      75  INCAPSULA, US
 32531          91         16       1  FORDHAM-UNIVERSITY, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         287       1967     251  DFN Verein zur Foerderung eines Deutsch
   786         189       1775     184  JANET Jisc Services Limited, GB
  8895         138         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  2614          96         27      76  ROEDUNET, RO
   137          93        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          62        598      58  FR-RENATER Reseau National de telecommu
  1930          58         81      53  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         158        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          53         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          43         16       1  Red de Interconexion Universitaria, AR
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 61468          41          3      15  CEDIA, EC
 28614          37          2       2  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         375        319      73  TENET-1, ZA
 36914         219         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          38         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          18          8       1  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 23969        1987        314      16  TOT-NET TOT Public Company Limited, TH
  7470         713        528      43  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         680        170      58  NCIC-TW New Century InfoComm Tech Co., 
131090         638         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         571       2140     453  SINET-AS Research Organization of Infor
  4621         528         73      18  UNINET-AS-AP UNINET-, TH
 45458         480         34      62  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
131596         462         82      14  TBCOM-NET TBC, TW
  4750         449         94      15  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  7497         429        182      24  CSTNET-AS-AP Computer Network Informati

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

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

   ASN  No of nets  Net Savings  Description
  7470         713          670  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
131090         638          630  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  9919         680          622  NCIC-TW New Century InfoComm Tech Co., Ltd., TW
  4621         528          510  UNINET-AS-AP UNINET-, TH
131596         462          448  TBCOM-NET TBC, TW
  4750         449          434  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
 45458         480          418  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  7497         429          405  CSTNET-AS-AP Computer Network Information Cente
  9931         412          377  CAT-AP The Communication Authoity of Thailand, 
133481         413          373  AIS-FIBRE-AS-AP AIS Fibre, TH

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     56096  UNALLOCATED  27.100.7.0/24            45455  TH-2S1N-AP Two S One N Co Lt
    141730  UNALLOCATED  103.161.0.0/24           55423  JASTEL-NETWORK-TH-IDC-AP Jas
    134952  UNALLOCATED  103.204.12.0/24           7616  JINET-BKK-AS-AP Jasmine Inte
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
     64740  PRIVATE      203.156.106.0/24         24378  ENGTAC-AS-TH-AP Total Access
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
27.100.7.0/24        Origin:     56096  UNASSIGNED
27.100.7.0/24       Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
103.161.0.0/24       Origin:    141730  UNASSIGNED
103.161.0.0/24      Transit:     55423  JASTEL-NETWORK-TH-IDC-AP JasTel Network,
103.204.12.0/24      Origin:    134952  UNASSIGNED
103.204.12.0/24     Transit:      7616  JINET-BKK-AS-AP Jasmine Internet Co, Ltd
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
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/AIT/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       /11:4       /12:12      
/13:25      /14:45      /15:144     /16:2173    /17:599     /18:832     
/19:1083    /20:1370    /21:1616    /22:3468    /23:2512    /24:19831   
/25:1       /26:1       /27:1       /28:3       /29:12      /30:43      
/31:37      /32:65      

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

   ASN  No of nets  Total ann.  Description
 36914         206         219  KENET-AS, KE
  4621         161         528  UNINET-AS-AP UNINET-, TH
132280         153         308  SYMPHONY-AP-TH Symphony Communication Thailand 
  8895         133         138  ISU Internet Services Unit ISU, SA
133481          69         413  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          53         114  OCDE, US
 19551          32         104  INCAPSULA, US
131207          32          65  SINET-KH SINET, Cambodias specialist Internet a
 25977          31          45  HCCS, US
 28614          31          37  Fundacao Universidade Regional de Blumenau, BR

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

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

   1:497       5:22        6:4         8:4         9:1        12:1      
  13:39       14:95       16:1        18:46       23:17       24:4      
  27:202      31:7        35:4        36:12       37:35       38:17     
  39:5        40:2        41:122      42:16       43:183      44:5      
  45:173      46:5        47:6        49:491      50:4        52:3      
  58:302      59:35       60:47       61:372      62:8        63:39     
  64:60       65:11       66:59       67:44       68:8        69:20     
  70:2        71:1        72:25       74:53       76:34       77:7      
  78:3        79:11       80:18       81:29       82:7        83:29     
  84:8        85:43       86:4        87:1        88:1        89:10     
  90:1        91:46       92:1        93:10       94:4        95:4      
  96:71       97:1        98:2       101:113     102:18      103:1153   
 104:79      106:73      107:52      108:10      109:10      110:436    
 111:122     112:42      113:146     114:36      115:131     116:69     
 117:79      118:373     119:283     120:7       121:29      122:288    
 123:104     124:161     125:198     128:95      129:44      130:93     
 131:81      132:58      133:145     134:312     135:2       136:221    
 137:80      138:11      139:20      140:54      141:14      142:41     
 143:33      144:26      145:2       146:159     147:84      148:193    
 149:15      150:152     151:6       152:76      153:13      154:54     
 155:51      156:72      157:39      158:45      159:263     160:29     
 161:77      162:25      163:81      164:92      165:72      166:1      
 167:63      168:175     169:10      170:72      171:187     172:5      
 173:8       175:63      176:9       177:10      178:1       179:10     
 180:134     181:2       182:229     183:40      184:15      185:62     
 186:2       187:19      188:15      189:5       190:34      191:39     
 192:1380    193:320     194:151     195:90      196:160     197:126    
 198:508     199:293     200:231     201:38      202:1240    203:1486   
 204:352     205:177     206:204     207:179     208:82      209:129    
 210:499     211:29      212:151     213:7       214:8       216:85     
 217:13      218:99      219:14      220:52      221:38      222:7      
 223:77     

End of report


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