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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Feb 29 22:41:20 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 29 Feb, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              989511
    Prefixes after maximum aggregation (per Origin AS):          363289
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      458372
Total ASes present in the Internet Routing Table:                 75689
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64917
Origin ASes announcing only one prefix:                           26098
Transit ASes present in the Internet Routing Table:               10772
Transit-only ASes present in the Internet Routing Table:            506
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                     103
    Max AS path prepend of ASN (149381)                             100
Prefixes from unregistered ASNs in the Routing Table:              1279
    Number of instances of unregistered ASNs:                      1281
Number of 32-bit ASNs allocated by the RIRs:                      43719
Number of 32-bit ASNs visible in the Routing Table:               36072
Prefixes from 32-bit ASNs in the Routing Table:                  189523
Number of bogon 32-bit ASNs visible in the Routing Table:           196
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            644
Number of addresses announced to Internet:                   3043007155
    Equivalent to 181 /8s, 96 /16s and 154 /24s
    Percentage of available address space announced:               82.2
    Percentage of allocated address space announced:               82.2
    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:      338255

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

Prefixes being announced by APNIC Region ASes:                   258729
    Total APNIC prefixes after maximum aggregation:               73731
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          251290
    Unique aggregates announced from the APNIC address blocks:   100314
APNIC Region origin ASes present in the Internet Routing Table:   14070
    APNIC Prefixes per ASN:                                       17.86
APNIC Region origin ASes announcing only one prefix:               4208
APNIC Region transit ASes present in the Internet Routing Table:   1889
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                        103
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9426
Number of APNIC addresses announced to Internet:              775057568
    Equivalent to 46 /8s, 50 /16s and 112 /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, 131072-153913
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:                    283373
    Total ARIN prefixes after maximum aggregation:               125117
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           288015
    Unique aggregates announced from the ARIN address blocks:    132566
ARIN Region origin ASes present in the Internet Routing Table:    19133
    ARIN Prefixes per ASN:                                        15.05
ARIN Region origin ASes announcing only one prefix:                6942
ARIN Region transit ASes present in the Internet Routing Table:    1946
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4857
Number of ARIN addresses announced to Internet:              1270604352
    Equivalent to 75 /8s, 187 /16s and 226 /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:                    281884
    Total RIPE prefixes after maximum aggregation:               128548
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           275713
    Unique aggregates announced from the RIPE address blocks:    162274
RIPE Region origin ASes present in the Internet Routing Table:    28649
    RIPE Prefixes per ASN:                                         9.62
RIPE Region origin ASes announcing only one prefix:               12095
RIPE Region transit ASes present in the Internet Routing Table:    3950
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11671
Number of RIPE addresses announced to Internet:               712947315
    Equivalent to 42 /8s, 126 /16s and 182 /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
                       196608-216475
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:                  130243
    Total LACNIC prefixes after maximum aggregation:              28990
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         129013
    Unique aggregates announced from the LACNIC address blocks:   49465
LACNIC Region origin ASes present in the Internet Routing Table:  11077
    LACNIC Prefixes per ASN:                                      11.65
LACNIC Region origin ASes announcing only one prefix:              2240
LACNIC Region transit ASes present in the Internet Routing Table:  2443
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8927
Number of LACNIC addresses announced to Internet:             177714784
    Equivalent to 10 /8s, 151 /16s and 182 /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:                  34003
    Total AfriNIC prefixes after maximum aggregation:              6122
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         44835
    Unique aggregates announced from the AfriNIC address blocks:  13220
AfriNIC Region origin ASes present in the Internet Routing Table:  1835
    AfriNIC Prefixes per ASN:                                     24.43
AfriNIC Region origin ASes announcing only one prefix:              613
AfriNIC Region transit ASes present in the Internet Routing Table:  357
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1191
Number of AfriNIC addresses announced to Internet:            106348288
    Equivalent to 6 /8s, 86 /16s and 191 /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
  9808        9817       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5655        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5033       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4562        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3879       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3608       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3514        497     255  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2745        862     371  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2503      11259     578  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9682      11264    3347  AMAZON-02, US
 22773        5007       3078     297  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4948       6644     685  COGENT-174, US
 11492        4582        304     645  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3596       1320      75  SHAW, CA
 16625        3244       1412    2308  AKAMAI-AS, US
   749        3183      54927    2435  DNIC-AS-00749, US
   367        2892       3647    1406  DNIC-ASBLK-00306-00371, US
396982        2761       3640     397  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8992       1210    2375  TTNET, TR
 12479        7615       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3948       3396     150  AKAMAI-ASN1, NL
  9009        3297        286    1604  M247, RO
 12389        2959       2302     901  ROSTELECOM-AS, RU
  8551        2653        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2505        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2450       1852      14  TE-AS TE-AS, EG
 34984        2396        366     586  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12515       3356     610  UNINET, MX
 10620        3524        496     890  Telmex Colombia S.A., CO
 13999        2527        343     645  Mega Cable, S.A. de C.V., MX
 11830        2006        369      64  Instituto Costarricense de Electricidad
 28573        1342       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1311        787     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1213        349     490  Axtel, S.A.B. de C.V., MX
 11664        1141        179     423  Techtel LMDS Comunicaciones Interactiva
 26615        1124       2503      61  TIM SA, BR
 28202        1105         52       9  Rede Brasileira de Comunicacao SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1629        315      40  Telkom-Internet, ZA
 24835        1544        545      28  RAYA-AS, EG
 24863        1518        389      16  LINKdotNET-AS, EG
 36992        1362       1519     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1157         74      60  ORANGE-COTE-IVOIRE, CI
 36935         934        521      42  Vodafone-, EG
  6713         555       1861      34  IAM-AS, MA
 36914         542         82       3  KENET-AS, KE
 15399         525         55      48  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12515       3356     610  UNINET, MX
  9808        9817       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9682      11264    3347  AMAZON-02, US
 47331        8992       1210    2375  TTNET, TR
 12479        7615       1714     147  UNI2-AS, ES
  7545        5655        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5033       4192      75  ERX-CERNET-BKB China Education and Rese
 22773        5007       3078     297  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4948       6644     685  COGENT-174, US
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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

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

   ASN  No of nets  Net Savings  Description
  9808        9817         9760  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7615         7468  UNI2-AS, ES
 47331        8992         6617  TTNET, TR
 16509        9682         6335  AMAZON-02, US
  7545        5655         4981  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5033         4958  ERX-CERNET-BKB China Education and Research Net
 22773        5007         4710  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4562         4537  FPT-AS-AP FPT Telecom Company, VN
   174        4948         4263  COGENT-174, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.172.200.0/24      Origin:    201217  RADISHCLOUD, US
23.172.200.0/24     Transit:    210000  DAOPORTNETWORKS DAOport Infrastructures,
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:98      /12:300     
/13:579     /14:1208    /15:2135    /16:13532   /17:8469    /18:14199   
/19:25414   /20:45531   /21:53794   /22:114224  /23:106696  /24:598412  
/25:1075    /26:1056    /27:1504    /28:162     /29:255     /30:85      
/31:104     /32:611     

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

   ASN  No of nets  Total ann.  Description
 47331        8111        8992  TTNET, TR
 12479        6730        7615  UNI2-AS, ES
  8151        6462       12515  UNINET, MX
 22773        4043        5007  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3495        4582  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3393        3596  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2165        2509  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2129        2653  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:2325      2:1610      3:305       4:22        5:4680      6:161    
   7:6         8:1629      9:2        11:178      12:1474     13:389    
  14:2442     15:313      16:208      17:372      18:741      20:379    
  21:4        22:188      23:6672     24:3162     25:2        27:2651   
  29:19       31:2793     32:61       34:45       35:127      36:2212   
  37:4640     38:8192     39:900      40:140      41:4624     42:2193   
  43:2386     44:329      45:17756    46:4469     47:291      49:1932   
  50:1921     51:580      52:1617     54:311      55:888      56:5      
  57:158      58:2113     59:1203     60:1022     61:2768     62:2847   
  63:1945     64:5720     65:2371     66:4859     67:3128     68:1593   
  69:4106     70:1519     71:583      72:3032     74:2630     75:1591   
  76:635      77:2542     78:4140     79:2503     80:2175     81:2157   
  82:1572     83:1322     84:1667     85:4042     86:942      87:2260   
  88:3003     89:4140     90:682      91:8116     92:2278     93:2645   
  94:3832     95:5325     96:1321     97:314      98:1098     99:744    
 100:120     101:1187    102:3526    103:32947   104:4779    105:2027   
 106:1003    107:2791    108:1135    109:4093    110:2175    111:3202   
 112:2091    113:1781    114:1789    115:2154    116:1987    117:2659   
 118:2792    119:2027    120:1817    121:1362    122:2819    123:2268   
 124:1638    125:2880    126:28      128:1591    129:1023    130:1138   
 131:1937    132:935     133:410     134:1716    135:353     136:933    
 137:1064    138:3015    139:1568    140:1378    141:1360    142:1607   
 143:1571    144:1023    145:345     146:2056    147:1721    148:2523   
 149:2583    150:1042    151:1341    152:1998    153:598     154:6041   
 155:1397    156:2131    157:1609    158:1139    159:2244    160:2701   
 161:1659    162:3632    163:1733    164:1700    165:2165    166:1075   
 167:1724    168:4130    169:822     170:5004    171:1033    172:3853   
 173:3054    174:935     175:1258    176:3816    177:5337    178:3709   
 179:2506    180:2465    181:3759    182:3424    183:2035    184:2279   
 185:20988   186:5229    187:4863    188:4241    189:4396    190:9522   
 191:1891    192:11040   193:9067    194:7623    195:5440    196:3684   
 197:2956    198:6069    199:7343    200:8508    201:6437    202:10791  
 203:10558   204:4638    205:3768    206:4580    207:3592    208:4214   
 209:5069    210:4784    211:2604    212:4399    213:3553    214:1111   
 215:44      216:6823    217:3059    218:1387    219:606     220:2125   
 221:1028    222:879     223:2239   

End of report


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