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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Sep 14 22:41:16 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 14 Sep, 2023

  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:                              992694
    Prefixes after maximum aggregation (per Origin AS):          361503
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      455006
Total ASes present in the Internet Routing Table:                 75350
    Prefixes per ASN:                                             13.17
Origin-only ASes present in the Internet Routing Table:           64671
Origin ASes announcing only one prefix:                           25834
Transit ASes present in the Internet Routing Table:               10679
Transit-only ASes present in the Internet Routing Table:            459
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:                                     131
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1329
    Number of instances of unregistered ASNs:                      1331
Number of 32-bit ASNs allocated by the RIRs:                      42602
Number of 32-bit ASNs visible in the Routing Table:               35378
Prefixes from 32-bit ASNs in the Routing Table:                  186447
Number of bogon 32-bit ASNs visible in the Routing Table:           222
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            752
Number of addresses announced to Internet:                   3063364746
    Equivalent to 182 /8s, 151 /16s and 60 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    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:      341058

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

Prefixes being announced by APNIC Region ASes:                   258616
    Total APNIC prefixes after maximum aggregation:               71987
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          252016
    Unique aggregates announced from the APNIC address blocks:    99077
APNIC Region origin ASes present in the Internet Routing Table:   13766
    APNIC Prefixes per ASN:                                       18.31
APNIC Region origin ASes announcing only one prefix:               4022
APNIC Region transit ASes present in the Internet Routing Table:   1849
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9061
Number of APNIC addresses announced to Internet:              775257152
    Equivalent to 46 /8s, 53 /16s and 124 /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:                    284914
    Total ARIN prefixes after maximum aggregation:               126331
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           287088
    Unique aggregates announced from the ARIN address blocks:    132088
ARIN Region origin ASes present in the Internet Routing Table:    19186
    ARIN Prefixes per ASN:                                        14.96
ARIN Region origin ASes announcing only one prefix:                6939
ARIN Region transit ASes present in the Internet Routing Table:    1945
Average ARIN Region AS path length visible:                         3.8
    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:              1280933696
    Equivalent to 76 /8s, 89 /16s and 127 /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:                    283509
    Total RIPE prefixes after maximum aggregation:               127499
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           278631
    Unique aggregates announced from the RIPE address blocks:    161129
RIPE Region origin ASes present in the Internet Routing Table:    28607
    RIPE Prefixes per ASN:                                         9.74
RIPE Region origin ASes announcing only one prefix:               12045
RIPE Region transit ASes present in the Internet Routing Table:    3960
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11429
Number of RIPE addresses announced to Internet:               719786974
    Equivalent to 42 /8s, 231 /16s and 19 /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:                  129838
    Total LACNIC prefixes after maximum aggregation:              28826
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         129075
    Unique aggregates announced from the LACNIC address blocks:   49290
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:              2244
LACNIC Region transit ASes present in the Internet Routing Table:  2376
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8884
Number of LACNIC addresses announced to Internet:             178866464
    Equivalent to 10 /8s, 169 /16s and 73 /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:                  34488
    Total AfriNIC prefixes after maximum aggregation:              6032
    AfriNIC Deaggregation factor:                                  5.72
Prefixes being announced from the AfriNIC address blocks:         45131
    Unique aggregates announced from the AfriNIC address blocks:  12777
AfriNIC Region origin ASes present in the Internet Routing Table:  1807
    AfriNIC Prefixes per ASN:                                     24.98
AfriNIC Region origin ASes announcing only one prefix:              584
AfriNIC Region transit ASes present in the Internet Routing Table:  342
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                      131
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147
Number of AfriNIC addresses announced to Internet:            107957760
    Equivalent to 6 /8s, 111 /16s and 78 /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        9699       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5751        785     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4317        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4046       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3752       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3599       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3154        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2526        849     387  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2316      11270     588  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        9192      11013    3190  AMAZON-02, US
 11492        4542        301     624  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
   174        3821       6657     619  COGENT-174, US
 22773        3700       3079     323  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3535       1319      66  SHAW, CA
 16625        3199       1548    2367  AKAMAI-AS, US
   749        3164      54961    2400  DNIC-AS-00749, US
   367        3036       3847    1424  DNIC-ASBLK-00306-00371, US
396982        2699       3597     391  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        8526       1166    3048  TTNET, TR
 12479        7422       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4209       3399     185  AKAMAI-ASN1, NL
  8551        3480        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2996       2296     920  ROSTELECOM-AS, RU
  9009        2770        257    1411  M247, RO
  8452        2498       1852      16  TE-AS TE-AS, EG
  5384        2470        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2380        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       11941       3370     606  UNINET, MX
 10620        3550        508     836  Telmex Colombia S.A., CO
 13999        2468        366     639  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1327       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
 11664        1131        183     427  Techtel LMDS Comunicaciones Interactiva
  6147        1124        370      22  Telefonica del Peru S.A.A., PE
 28202        1090         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        1894        319      45  Telkom-Internet, ZA
 24863        1617        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1363       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1052         67      45  ORANGE-COTE-IVOIRE, CI
 36935         959        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         539         82       3  KENET-AS, KE
 37342         511         32       1  MOVITEL, MZ

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       11941       3370     606  UNINET, MX
  9808        9699       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9192      11013    3190  AMAZON-02, US
 47331        8526       1166    3048  TTNET, TR
 12479        7422       1713     145  UNI2-AS, ES
  7545        5751        785     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4542        301     624  CABLEONE, US
 18403        4317        347      25  FPT-AS-AP FPT Telecom Company, VN

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        9699         9600  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7422         7277  UNI2-AS, ES
 16509        9192         6002  AMAZON-02, US
 47331        8526         5478  TTNET, TR
  7545        5751         5059  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5020         4945  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4317         4292  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 20940        4209         4024  AKAMAI-ASN1, NL

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             11168  SCC, 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            46887  LIGHTOWER, 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
23.176.160.0/24      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
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

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      /10:39      /11:102     /12:299     
/13:578     /14:1213    /15:2158    /16:13761   /17:8606    /18:14850   
/19:25958   /20:46337   /21:55325   /22:115771  /23:108934  /24:595727  
/25:486     /26:624     /27:1034    /28:78      /29:102     /30:26      
/31:22      /32:633     

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

   ASN  No of nets  Total ann.  Description
 47331        7648        8526  TTNET, TR
 12479        6508        7422  UNI2-AS, ES
  8151        5911       11941  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3451        4542  CABLEONE, US
  6327        3347        3535  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2947        3480  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2734        3700  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2173        2517  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2280      2:1597      3:263       4:8         5:4802      6:139    
   7:6         8:1634      9:1        11:172      12:1531     13:380    
  14:2425     15:304      16:198      17:384      18:651      20:309    
  21:4        22:188      23:6538     24:3063     25:6        27:2675   
  29:19       31:2693     32:98       34:27       35:120      36:2019   
  37:4761     38:6456     39:879      40:147      41:4897     42:2116   
  43:2490     44:331      45:17898    46:4541     47:395      49:1848   
  50:1933     51:598      52:1635     54:400      55:980      56:8      
  57:133      58:1982     59:1210     60:1010     61:2731     62:2866   
  63:1973     64:5897     65:2436     66:5189     67:3122     68:1367   
  69:4232     70:1413     71:703      72:3091     74:2702     75:1619   
  76:625      77:2605     78:4026     79:3045     80:2198     81:2111   
  82:1596     83:1365     84:1590     85:3938     86:879      87:2287   
  88:2888     89:3992     90:628      91:8073     92:2182     93:2686   
  94:3780     95:5128     96:1347     97:326      98:1140     99:736    
 100:123     101:1370    102:3434    103:33116   104:4694    105:2015   
 106:970     107:2720    108:1162    109:4368    110:2201    111:3200   
 112:2151    113:1823    114:1690    115:2165    116:1971    117:2634   
 118:2770    119:2097    120:1880    121:1239    122:2775    123:2270   
 124:1670    125:2612    128:1596    129:1148    130:1099    131:2103   
 132:973     133:408     134:1806    135:355     136:929     137:996    
 138:2875    139:1694    140:1313    141:1349    142:1546    143:1612   
 144:1029    145:353     146:2036    147:1638    148:2511    149:2349   
 150:922     151:1254    152:2006    153:595     154:5560    155:1440   
 156:2009    157:1369    158:1099    159:2269    160:2728    161:1630   
 162:3611    163:1677    164:1780    165:1948    166:1103    167:1765   
 168:4106    169:959     170:4995    171:963     172:3766    173:3030   
 174:1007    175:1268    176:3987    177:5592    178:3619    179:2509   
 180:2663    181:3665    182:3464    183:2049    184:2334    185:21135  
 186:5121    187:4615    188:4387    189:4184    190:9559    191:1885   
 192:11144   193:9107    194:7631    195:5536    196:3681    197:3066   
 198:6106    199:6210    200:8327    201:6304    202:11100   203:10643  
 204:4656    205:3795    206:4477    207:3573    208:4300    209:5051   
 210:4750    211:2641    212:4435    213:3774    214:1103    215:60     
 216:6976    217:3056    218:1335    219:619     220:2048    221:996    
 222:868     223:2200   

End of report


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