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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Nov 4 22:41:53 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sat 04 Nov, 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:                              981712
    Prefixes after maximum aggregation (per Origin AS):          361423
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454610
Total ASes present in the Internet Routing Table:                 75154
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           64742
Origin ASes announcing only one prefix:                           25893
Transit ASes present in the Internet Routing Table:               10412
Transit-only ASes present in the Internet Routing Table:            473
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:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1267
    Number of instances of unregistered ASNs:                      1273
Number of 32-bit ASNs allocated by the RIRs:                      43008
Number of 32-bit ASNs visible in the Routing Table:               35398
Prefixes from 32-bit ASNs in the Routing Table:                  184860
Number of bogon 32-bit ASNs visible in the Routing Table:           199
Special use prefixes present in the Routing Table:                   35
Prefixes being announced from unallocated address space:            602
Number of addresses announced to Internet:                   3051722974
    Equivalent to 181 /8s, 229 /16s and 152 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      338467

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

Prefixes being announced by APNIC Region ASes:                   255325
    Total APNIC prefixes after maximum aggregation:               72183
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          248432
    Unique aggregates announced from the APNIC address blocks:    98886
APNIC Region origin ASes present in the Internet Routing Table:   13769
    APNIC Prefixes per ASN:                                       18.04
APNIC Region origin ASes announcing only one prefix:               4071
APNIC Region transit ASes present in the Internet Routing Table:   1839
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9091
Number of APNIC addresses announced to Internet:              772729248
    Equivalent to 46 /8s, 14 /16s and 233 /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:                    282086
    Total ARIN prefixes after maximum aggregation:               125943
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           285903
    Unique aggregates announced from the ARIN address blocks:    132392
ARIN Region origin ASes present in the Internet Routing Table:    19110
    ARIN Prefixes per ASN:                                        14.96
ARIN Region origin ASes announcing only one prefix:                6942
ARIN Region transit ASes present in the Internet Routing Table:    1852
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4825
Number of ARIN addresses announced to Internet:              1277403200
    Equivalent to 76 /8s, 35 /16s and 160 /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:                    281110
    Total RIPE prefixes after maximum aggregation:               127743
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275090
    Unique aggregates announced from the RIPE address blocks:    160759
RIPE Region origin ASes present in the Internet Routing Table:    28535
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12040
RIPE Region transit ASes present in the Internet Routing Table:    3867
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11457
Number of RIPE addresses announced to Internet:               715274718
    Equivalent to 42 /8s, 162 /16s and 57 /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:                  128233
    Total LACNIC prefixes after maximum aggregation:              28675
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         127471
    Unique aggregates announced from the LACNIC address blocks:   49328
LACNIC Region origin ASes present in the Internet Routing Table:  11044
    LACNIC Prefixes per ASN:                                      11.54
LACNIC Region origin ASes announcing only one prefix:              2262
LACNIC Region transit ASes present in the Internet Routing Table:  2345
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8875
Number of LACNIC addresses announced to Internet:             178480160
    Equivalent to 10 /8s, 163 /16s and 100 /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:                  33691
    Total AfriNIC prefixes after maximum aggregation:              6088
    AfriNIC Deaggregation factor:                                  5.53
Prefixes being announced from the AfriNIC address blocks:         44213
    Unique aggregates announced from the AfriNIC address blocks:  12738
AfriNIC Region origin ASes present in the Internet Routing Table:  1805
    AfriNIC Prefixes per ASN:                                     24.49
AfriNIC Region origin ASes announcing only one prefix:              578
AfriNIC Region transit ASes present in the Internet Routing Table:  342
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1150
Number of AfriNIC addresses announced to Internet:            107388672
    Equivalent to 6 /8s, 102 /16s and 159 /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        9552       8730      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5715        785     694  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4253        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3805       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3606       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3328       1872      98  VNPT-AS-VN VNPT Corp, VN
  9498        3246        491     240  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2734      11270     604  KIXS-AS-KR Korea Telecom, KR
 24560        2573        851     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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        9158      11017    3334  AMAZON-02, US
 11492        4541        301     673  CABLEONE, US
  7155        4182        289     101  VIASAT-SP-BACKBONE, US
   174        3898       6659     628  COGENT-174, US
 22773        3641       3061     307  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3547       1320      67  SHAW, CA
   749        3160      54933    2412  DNIC-AS-00749, US
 16625        3089       1407    2329  AKAMAI-AS, US
   367        3071       3868    1449  DNIC-ASBLK-00306-00371, US
396982        2710       3598     400  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        8679       1182    2885  TTNET, TR
 12479        7424       1713     145  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4101       3398     167  AKAMAI-ASN1, NL
  8551        3446        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3435        297    1602  M247, RO
 12389        3015       2298     923  ROSTELECOM-AS, RU
  5384        2469        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2446       1852      14  TE-AS TE-AS, EG
 34984        2369        364     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       12035       3373     620  UNINET, MX
 10620        3544        504     860  Telmex Colombia S.A., CO
 13999        2432        331     636  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1332       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1296        777     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1251        342     506  Axtel, S.A.B. de C.V., MX
  6147        1105        369      22  Telefonica del Peru S.A.A., PE
 28202        1092         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1058        168     430  Techtel LMDS Comunicaciones Interactiva

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        1626        319      45  Telkom-Internet, ZA
 24835        1549        549      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 24863        1352        391      43  LINKdotNET-AS, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      53  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         529         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       12035       3373     620  UNINET, MX
  9808        9552       8730      43  CHINAMOBILE-CN China Mobile Communicati
 16509        9158      11017    3334  AMAZON-02, US
 47331        8679       1182    2885  TTNET, TR
 12479        7424       1713     145  UNI2-AS, ES
  7545        5715        785     694  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4541        301     673  CABLEONE, US
 18403        4253        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        9552         9509  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7424         7279  UNI2-AS, ES
 16509        9158         5824  AMAZON-02, US
 47331        8679         5794  TTNET, TR
  7545        5715         5021  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021         4946  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4253         4228  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4081  VIASAT-SP-BACKBONE, US
 20940        4101         3934  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             17054  EXPEDIENT, 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:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, 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      /10:38      /11:100     /12:301     
/13:584     /14:1212    /15:2139    /16:13608   /17:8571    /18:14223   
/19:25627   /20:45626   /21:54227   /22:114075  /23:107161  /24:589288  
/25:1136    /26:1085    /27:1502    /28:160     /29:238     /30:80      
/31:75      /32:625     

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

   ASN  No of nets  Total ann.  Description
 47331        7796        8679  TTNET, TR
 12479        6514        7424  UNI2-AS, ES
  8151        6038       12035  UNINET, MX
 11492        3454        4541  CABLEONE, US
  6327        3356        3547  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3127        4182  VIASAT-SP-BACKBONE, US
  8551        2923        3446  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2686        3641  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2149        2494  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2251      2:1608      3:271       4:8         5:4610      6:161    
   7:6         8:1619      9:1        11:172      12:1501     13:354    
  14:2330     15:304      16:198      17:376      18:667      20:335    
  21:4        22:188      23:6560     24:2954     25:2        27:2670   
  29:19       31:2705     32:87       34:30       35:120      36:2041   
  37:4611     38:6637     39:873      40:149      41:4633     42:2076   
  43:2362     44:329      45:17581    46:4550     47:380      49:1886   
  50:1908     51:577      52:1621     54:391      55:801      56:5      
  57:137      58:1963     59:1190     60:1012     61:2734     62:2806   
  63:1936     64:5727     65:2387     66:5165     67:3124     68:1367   
  69:4185     70:1394     71:633      72:3034     74:2678     75:1615   
  76:641      77:2462     78:4058     79:3041     80:2168     81:2110   
  82:1593     83:1375     84:1631     85:3879     86:879      87:2213   
  88:2947     89:4007     90:630      91:8024     92:2213     93:2664   
  94:3750     95:5134     96:1338     97:315      98:1110     99:735    
 100:122     101:1389    102:3397    103:32598   104:4815    105:2001   
 106:993     107:2812    108:1151    109:4339    110:2169    111:3168   
 112:2093    113:1759    114:1712    115:2091    116:1986    117:2559   
 118:2721    119:2011    120:1792    121:1267    122:2762    123:2252   
 124:1653    125:2646    128:1574    129:1010    130:1100    131:2086   
 132:964     133:408     134:1699    135:342     136:915     137:999    
 138:2888    139:1589    140:1335    141:1335    142:1578    143:1617   
 144:1003    145:342     146:1997    147:1646    148:2500    149:2435   
 150:896     151:1261    152:1987    153:604     154:5585    155:1406   
 156:2150    157:1386    158:1068    159:2210    160:2695    161:1625   
 162:3553    163:1627    164:1763    165:1910    166:1075    167:1766   
 168:4028    169:818     170:4904    171:982     172:3895    173:3039   
 174:985     175:1231    176:3773    177:5511    178:3595    179:2434   
 180:2375    181:3624    182:3371    183:1997    184:2283    185:20994  
 186:5089    187:4626    188:4248    189:4271    190:9527    191:1877   
 192:11033   193:9023    194:7537    195:5490    196:3615    197:2909   
 198:6082    199:6463    200:8322    201:6361    202:10982   203:10497  
 204:4618    205:3738    206:4482    207:3580    208:4172    209:4979   
 210:4614    211:2569    212:4390    213:3514    214:1113    215:71     
 216:6887    217:3026    218:1333    219:608     220:2039    221:1002   
 222:860     223:2189   

End of report


More information about the ren-bgp-stats-all mailing list