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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Oct 19 22:41:58 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 19 Oct, 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:                              984566
    Prefixes after maximum aggregation (per Origin AS):          361477
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      453954
Total ASes present in the Internet Routing Table:                 75241
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64600
Origin ASes announcing only one prefix:                           25948
Transit ASes present in the Internet Routing Table:               10641
Transit-only ASes present in the Internet Routing Table:            477
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:                                     106
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1289
    Number of instances of unregistered ASNs:                      1292
Number of 32-bit ASNs allocated by the RIRs:                      42860
Number of 32-bit ASNs visible in the Routing Table:               35391
Prefixes from 32-bit ASNs in the Routing Table:                  184017
Number of bogon 32-bit ASNs visible in the Routing Table:           193
Special use prefixes present in the Routing Table:                   37
Prefixes being announced from unallocated address space:            620
Number of addresses announced to Internet:                   3054563038
    Equivalent to 182 /8s, 16 /16s and 238 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    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:      338091

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

Prefixes being announced by APNIC Region ASes:                   258458
    Total APNIC prefixes after maximum aggregation:               72666
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251722
    Unique aggregates announced from the APNIC address blocks:    98915
APNIC Region origin ASes present in the Internet Routing Table:   13823
    APNIC Prefixes per ASN:                                       18.21
APNIC Region origin ASes announcing only one prefix:               4093
APNIC Region transit ASes present in the Internet Routing Table:   1842
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:   9097
Number of APNIC addresses announced to Internet:              773977760
    Equivalent to 46 /8s, 33 /16s and 246 /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:                    282308
    Total ARIN prefixes after maximum aggregation:               125665
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285602
    Unique aggregates announced from the ARIN address blocks:    132108
ARIN Region origin ASes present in the Internet Routing Table:    19115
    ARIN Prefixes per ASN:                                        14.94
ARIN Region origin ASes announcing only one prefix:                6932
ARIN Region transit ASes present in the Internet Routing Table:    1925
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:    4839
Number of ARIN addresses announced to Internet:              1277845824
    Equivalent to 76 /8s, 42 /16s and 97 /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:                    280639
    Total RIPE prefixes after maximum aggregation:               127635
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           274938
    Unique aggregates announced from the RIPE address blocks:    160483
RIPE Region origin ASes present in the Internet Routing Table:    28524
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12048
RIPE Region transit ASes present in the Internet Routing Table:    3946
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                         102
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11420
Number of RIPE addresses announced to Internet:               716674782
    Equivalent to 42 /8s, 183 /16s and 150 /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:                  127762
    Total LACNIC prefixes after maximum aggregation:              28646
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127020
    Unique aggregates announced from the LACNIC address blocks:   49239
LACNIC Region origin ASes present in the Internet Routing Table:  11062
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2290
LACNIC Region transit ASes present in the Internet Routing Table:  2378
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8881
Number of LACNIC addresses announced to Internet:             178482464
    Equivalent to 10 /8s, 163 /16s and 109 /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:                  34110
    Total AfriNIC prefixes after maximum aggregation:              6057
    AfriNIC Deaggregation factor:                                  5.63
Prefixes being announced from the AfriNIC address blocks:         44663
    Unique aggregates announced from the AfriNIC address blocks:  12686
AfriNIC Region origin ASes present in the Internet Routing Table:  1810
    AfriNIC Prefixes per ASN:                                     24.68
AfriNIC Region origin ASes announcing only one prefix:              585
AfriNIC Region transit ASes present in the Internet Routing Table:  344
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                      106
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1154
Number of AfriNIC addresses announced to Internet:            107131392
    Equivalent to 6 /8s, 98 /16s and 178 /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        9617       8904      98  CHINAMOBILE-CN China Mobile Communicati
  7545        5714        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5019       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4209        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4022       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3784       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3215        493     243  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2739      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2553        849     381  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        9148      11002    3269  AMAZON-02, US
 11492        4540        301     673  CABLEONE, US
  7155        4180        289     101  VIASAT-SP-BACKBONE, US
   174        3889       6659     628  COGENT-174, US
 22773        3645       3061     307  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3547       1320      67  SHAW, CA
   749        3161      54958    2413  DNIC-AS-00749, US
 16625        3112       1422    2339  AKAMAI-AS, US
   367        3088       3837    1453  DNIC-ASBLK-00306-00371, US
396982        2704       3598     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        8350       1150    3260  TTNET, TR
 12479        7409       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4144       3398     174  AKAMAI-ASN1, NL
  8551        3452        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3124        278    1527  M247, RO
 12389        3003       2296     918  ROSTELECOM-AS, RU
  8452        2566       1852      15  TE-AS TE-AS, EG
  5384        2477        585      28  EMIRATES-INTERNET Emirates Internet, AE
 34984        2377        365     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       11848       3375     620  UNINET, MX
 10620        3541        504     857  Telmex Colombia S.A., CO
 13999        2417        331     625  Mega Cable, S.A. de C.V., MX
 11830        2002        369      64  Instituto Costarricense de Electricidad
 28573        1333       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1298        770     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1284        343     511  Axtel, S.A.B. de C.V., MX
  6147        1110        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1053        168     424  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        1880        319      45  Telkom-Internet, ZA
 24863        1609        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1044         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         538         82       3  KENET-AS, KE
 15399         537         55      51  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       11848       3375     620  UNINET, MX
  9808        9617       8904      98  CHINAMOBILE-CN China Mobile Communicati
 16509        9148      11002    3269  AMAZON-02, US
 47331        8350       1150    3260  TTNET, TR
 12479        7409       1713     145  UNI2-AS, ES
  7545        5714        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5019       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4540        301     673  CABLEONE, US
 18403        4209        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        9617         9519  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7409         7264  UNI2-AS, ES
 16509        9148         5879  AMAZON-02, US
 47331        8350         5090  TTNET, TR
  7545        5714         5016  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5019         4944  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4209         4184  FPT-AS-AP FPT Telecom Company, VN
  7155        4180         4079  VIASAT-SP-BACKBONE, US
 45899        4022         3971  VNPT-AS-VN VNPT Corp, VN

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             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
23.176.160.0/24      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      /11:101     /12:301     
/13:583     /14:1213    /15:2145    /16:13670   /17:8590    /18:14766   
/19:25781   /20:45808   /21:54579   /22:114633  /23:107489  /24:589954  
/25:1124    /26:1077    /27:1484    /28:160     /29:238     /30:79      
/31:73      /32:649     

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

   ASN  No of nets  Total ann.  Description
 47331        7480        8350  TTNET, TR
 12479        6496        7409  UNI2-AS, ES
  8151        5881       11848  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3452        4540  CABLEONE, US
  6327        3356        3547  SHAW, CA
  7155        3125        4180  VIASAT-SP-BACKBONE, US
  8551        2929        3452  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2691        3645  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2154        2499  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2265      2:1613      3:265       4:8         5:4595      6:143    
   7:6         8:1614      9:1        11:172      12:1504     13:362    
  14:2409     15:305      16:200      17:370      18:665      20:332    
  21:4        22:188      23:6562     24:2943     25:2        27:2668   
  29:19       31:2700     32:91       34:28       35:121      36:2024   
  37:4611     38:6572     39:874      40:144      41:4792     42:2065   
  43:2403     44:332      45:17510    46:4513     47:379      49:1853   
  50:1914     51:580      52:1620     54:392      55:957      56:5      
  57:135      58:1943     59:1205     60:1011     61:2725     62:2821   
  63:1945     64:5858     65:2393     66:5153     67:3123     68:1369   
  69:4180     70:1394     71:656      72:3036     74:2670     75:1615   
  76:637      77:2435     78:3947     79:3044     80:2169     81:2079   
  82:1593     83:1379     84:1594     85:3889     86:873      87:2275   
  88:2852     89:4000     90:625      91:8008     92:2153     93:2678   
  94:3754     95:5089     96:1340     97:319      98:1123     99:736    
 100:125     101:1332    102:3373    103:32803   104:4810    105:2001   
 106:994     107:2744    108:1152    109:4334    110:2187    111:3187   
 112:2125    113:1810    114:1711    115:2147    116:1964    117:2571   
 118:2761    119:2065    120:1853    121:1252    122:2765    123:2275   
 124:1667    125:2627    128:1575    129:1014    130:1098    131:2065   
 132:973     133:408     134:1791    135:348     136:912     137:997    
 138:2856    139:1684    140:1315    141:1340    142:1545    143:1607   
 144:1009    145:350     146:2008    147:1636    148:2510    149:2404   
 150:904     151:1259    152:1994    153:594     154:5468    155:1412   
 156:2071    157:1381    158:1066    159:2212    160:2714    161:1627   
 162:3560    163:1692    164:1790    165:1918    166:1082    167:1756   
 168:4041    169:826     170:4866    171:976     172:3820    173:3034   
 174:991     175:1260    176:3777    177:5485    178:3597    179:2429   
 180:2602    181:3565    182:3417    183:2031    184:2285    185:20993  
 186:5035    187:4587    188:4282    189:4220    190:9508    191:1840   
 192:11044   193:9027    194:7544    195:5487    196:3683    197:3056   
 198:6092    199:6336    200:8290    201:6275    202:10966   203:10564  
 204:4614    205:3745    206:4474    207:3580    208:4178    209:5013   
 210:4733    211:2641    212:4404    213:3523    214:1107    215:71     
 216:6889    217:3031    218:1334    219:613     220:2041    221:989    
 222:859     223:2186   

End of report


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