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

REN Routing Table Report cscora at frr.nsrc.org
Fri Jul 29 20:25:46 UTC 2022


IPv4 R&E Routing Table Report   20:25 GMT Fri 29 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:                               34995
    Prefixes after maximum aggregation (per Origin AS):           14474
    Deaggregation factor:                                          2.42
    Unique aggregates announced (without unneeded subnets):       16389
    Number of IPv4 prefixes with a valid ROA:                     13946
    Number of IPv4 prefixes with an invalid ROA:                    236
    Number of IPv4 prefixes with no ROA:                          20813
Total ASes present in the Internet Routing Table:                  3578
    Prefixes per ASN:                                              9.78
Origin-only ASes present in the Internet Routing Table:            3051
Origin ASes announcing only one prefix:                            1277
Transit ASes present in the Internet Routing Table:                 527
Transit-only ASes present in the Internet Routing Table:             74
Paths with bogon ASNs present in the IPv4 Routing Table:              9
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:                14
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      39886
Number of 32-bit ASNs visible in the Routing Table:                1073
Prefixes from 32-bit ASNs in the Routing Table:                    6308
Number of bogon 32-bit ASNs visible in the Routing Table:             4
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                    239200768
    Equivalent to 14 /8s, 65 /16s and 234 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    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:        2758

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

Prefixes being announced by APNIC Region ASes:                    20426
    Total APNIC prefixes after maximum aggregation:                5643
    APNIC Deaggregation factor:                                    3.62
Prefixes being announced from the APNIC address blocks:           20309
    Unique aggregates announced from the APNIC address blocks:     6523
APNIC Region origin ASes present in the Internet Routing Table:    1291
    APNIC Prefixes per ASN:                                       15.73
APNIC Region origin ASes announcing only one prefix:                414
APNIC Region transit ASes present in the Internet Routing Table:    199
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    650
Number of APNIC addresses announced to Internet:               62326784
    Equivalent to 3 /8s, 183 /16s and 8 /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:                      8487
    Total ARIN prefixes after maximum aggregation:                 5080
    ARIN Deaggregation factor:                                     1.67
Prefixes being announced from the ARIN address blocks:             8542
    Unique aggregates announced from the ARIN address blocks:      5746
ARIN Region origin ASes present in the Internet Routing Table:     1284
    ARIN Prefixes per ASN:                                         6.65
ARIN Region origin ASes announcing only one prefix:                 454
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         7.8
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     181
Number of ARIN addresses announced to Internet:               109782272
    Equivalent to 6 /8s, 139 /16s and 37 /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:                      3676
    Total RIPE prefixes after maximum aggregation:                 2936
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3697
    Unique aggregates announced from the RIPE address blocks:      2967
RIPE Region origin ASes present in the Internet Routing Table:      705
    RIPE Prefixes per ASN:                                         5.24
RIPE Region origin ASes announcing only one prefix:                 321
RIPE Region transit ASes present in the Internet Routing Table:     103
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:     147
Number of RIPE addresses announced to Internet:                59641600
    Equivalent to 3 /8s, 142 /16s and 15 /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:                    1440
    Total LACNIC prefixes after maximum aggregation:                584
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1442
    Unique aggregates announced from the LACNIC address blocks:     795
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       8.90
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       9.0
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    68
Number of LACNIC addresses announced to Internet:               4800000
    Equivalent to 0 /8s, 73 /16s and 62 /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:                    952
    Total AfriNIC prefixes after maximum aggregation:               218
    AfriNIC Deaggregation factor:                                  4.37
Prefixes being announced from the AfriNIC address blocks:           996
    Unique aggregates announced from the AfriNIC address blocks:    351
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     19.53
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      7.5
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2646784
    Equivalent to 0 /8s, 40 /16s and 99 /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        1986        314      16  TOT-NET TOT Public Company Limited, TH
  7470         715        528      43  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         676        170      55  NCIC-TW New Century InfoComm Tech Co., 
131090         637         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         571       2140     453  SINET-AS Research Organization of Infor
  4621         519         73      18  UNINET-AS-AP UNINET-, TH
 45458         482         34      62  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
131596         462         82      14  TBCOM-NET TBC, TW
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  7497         433        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         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         154        507      92  CSUNET-NW, US
 18558         133         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          90          6      60  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         285       1951     250  DFN Verein zur Foerderung eines Deutsch
   786         188       1775     183  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          98       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  2614          96         27      76  ROEDUNET, RO
   137          94        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         157        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          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          43         16       1  Red de Interconexion Universitaria, AR
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 61468          41          3      15  CEDIA, EC
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 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         376        319      73  TENET-1, ZA
 36914         231         82       3  KENET-AS, KE
  2561          68          4      33  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          37         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          20          1      14  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        1986        314      16  TOT-NET TOT Public Company Limited, TH
  7470         715        528      43  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         676        170      55  NCIC-TW New Century InfoComm Tech Co., 
131090         637         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         571       2140     453  SINET-AS Research Organization of Infor
  4621         519         73      18  UNINET-AS-AP UNINET-, TH
 45458         482         34      62  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
131596         462         82      14  TBCOM-NET TBC, TW
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  7497         433        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         715          672  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
131090         637          629  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  9919         676          621  NCIC-TW New Century InfoComm Tech Co., Ltd., TW
  4621         519          501  UNINET-AS-AP UNINET-, TH
131596         462          448  TBCOM-NET TBC, TW
  4750         448          434  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
 45458         482          420  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  7497         433          409  CSTNET-AS-AP Computer Network Information Cente
  9931         420          385  CAT-AP The Communication Authoity of Thailand, 
133481         418          383  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
    133617  UNALLOCATED  43.240.95.0/24           19551  INCAPSULA, US
    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
     64558  PRIVATE      202.44.52.0/22           23932  WINTH-AS-AP Internet Service
     64558  PRIVATE      202.52.4.0/22            23932  WINTH-AS-AP Internet Service

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 
43.240.92.0/22       Origin:    135081  CTTL-AS-AP CHEER TOP TECHNOLOGY LIMITED,
43.240.92.0/22      Transit:      9304  HUTCHISON-AS-AP HGC Global Communication
43.240.95.0/24       Origin:    133617  UNASSIGNED
43.240.95.0/24      Transit:     19551  INCAPSULA, US
103.36.88.0/22       Origin:    135081  CTTL-AS-AP CHEER TOP TECHNOLOGY LIMITED,
103.36.88.0/22      Transit:      9304  HUTCHISON-AS-AP HGC Global Communication
103.36.90.0/24       Origin:    135081  CTTL-AS-AP CHEER TOP TECHNOLOGY LIMITED,
103.36.90.0/24      Transit:      9304  HUTCHISON-AS-AP HGC Global Communication

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     /16:2172    /17:600     /18:836     
/19:1085    /20:1375    /21:1645    /22:3634    /23:2585    /24:20668   
/25:2       /26:2       /27:3       /28:3       /29:12      /30:44      
/31:34      /32:62      

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

   ASN  No of nets  Total ann.  Description
 36914         218         231  KENET-AS, KE
  4621         156         519  UNINET-AS-AP UNINET-, TH
132280         154         309  SYMPHONY-AP-TH Symphony Communication Thailand 
  8895         133         138  ISU Internet Services Unit ISU, SA
133481          69         418  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          53         114  OCDE, US
 19551          32         104  INCAPSULA, US
 46115          32          35  LUTHER, US
131207          32          65  SINET-KH SINET, Cambodias specialist Internet a
 25977          31          45  HCCS, US

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

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

   1:498       5:22        6:4         8:4         9:1        12:1      
  13:39       14:102      16:1        18:43       23:18       24:4      
  27:205      31:7        35:4        36:13       37:35       38:16     
  39:5        40:2        41:131      42:16       43:191      44:5      
  45:179      46:5        47:6        49:513      50:5        52:3      
  58:304      59:35       60:48       61:376      62:10       63:39     
  64:62       65:10       66:46       67:46       68:8        69:21     
  70:2        71:1        72:40       74:53       76:35       77:8      
  78:3        79:11       80:18       81:29       82:7        83:31     
  84:8        85:43       86:6        87:1        88:1        89:10     
  90:1        91:48       92:1        93:10       94:4        95:4      
  96:71       97:1        98:2       101:116     102:18      103:1365   
 104:79      106:72      107:51      108:10      109:10      110:464    
 111:124     112:46      113:146     114:39      115:139     116:71     
 117:80      118:383     119:297     120:14      121:30      122:292    
 123:104     124:163     125:198     128:95      129:45      130:91     
 131:91      132:59      133:145     134:312     135:2       136:221    
 137:78      138:11      139:20      140:55      141:14      142:41     
 143:33      144:41      145:2       146:159     147:84      148:193    
 149:15      150:157     151:6       152:77      153:13      154:64     
 155:51      156:72      157:39      158:42      159:265     160:29     
 161:100     162:28      163:94      164:93      165:90      166:1      
 167:67      168:175     169:10      170:75      171:187     172:5      
 173:8       175:84      176:9       177:11      178:1       179:10     
 180:132     181:4       182:235     183:40      184:14      185:72     
 186:3       187:19      188:15      189:3       190:34      191:38     
 192:1390    193:319     194:152     195:97      196:162     197:135    
 198:512     199:294     200:226     201:38      202:1330    203:1587   
 204:361     205:136     206:204     207:178     208:81      209:128    
 210:561     211:29      212:174     213:7       214:8       216:86     
 217:13      218:149     219:12      220:52      221:38      222:7      
 223:80     

End of report


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