[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 26 22:41:50 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 26 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:                              986367
    Prefixes after maximum aggregation (per Origin AS):          362031
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454650
Total ASes present in the Internet Routing Table:                 75221
    Prefixes per ASN:                                             13.11
Origin-only ASes present in the Internet Routing Table:           64772
Origin ASes announcing only one prefix:                           25906
Transit ASes present in the Internet Routing Table:               10449
Transit-only ASes present in the Internet Routing Table:            450
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:              1266
    Number of instances of unregistered ASNs:                      1269
Number of 32-bit ASNs allocated by the RIRs:                      42918
Number of 32-bit ASNs visible in the Routing Table:               35411
Prefixes from 32-bit ASNs in the Routing Table:                  184929
Number of bogon 32-bit ASNs visible in the Routing Table:           184
Special use prefixes present in the Routing Table:                   36
Prefixes being announced from unallocated address space:            609
Number of addresses announced to Internet:                   3055078366
    Equivalent to 182 /8s, 24 /16s and 203 /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:               99.6
Total number of prefixes smaller than registry allocations:      338744

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

Prefixes being announced by APNIC Region ASes:                   259190
    Total APNIC prefixes after maximum aggregation:               72951
    APNIC Deaggregation factor:                                    3.55
Prefixes being announced from the APNIC address blocks:          252418
    Unique aggregates announced from the APNIC address blocks:    99189
APNIC Region origin ASes present in the Internet Routing Table:   13846
    APNIC Prefixes per ASN:                                       18.23
APNIC Region origin ASes announcing only one prefix:               4081
APNIC Region transit ASes present in the Internet Routing Table:   1841
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:   9122
Number of APNIC addresses announced to Internet:              773741728
    Equivalent to 46 /8s, 30 /16s and 92 /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:                    282483
    Total ARIN prefixes after maximum aggregation:               125938
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           285992
    Unique aggregates announced from the ARIN address blocks:    132380
ARIN Region origin ASes present in the Internet Routing Table:    19122
    ARIN Prefixes per ASN:                                        14.96
ARIN Region origin ASes announcing only one prefix:                6937
ARIN Region transit ASes present in the Internet Routing Table:    1860
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4833
Number of ARIN addresses announced to Internet:              1277754688
    Equivalent to 76 /8s, 40 /16s and 253 /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:                    281031
    Total RIPE prefixes after maximum aggregation:               127610
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275239
    Unique aggregates announced from the RIPE address blocks:    160603
RIPE Region origin ASes present in the Internet Routing Table:    28522
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12032
RIPE Region transit ASes present in the Internet Routing Table:    3881
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11433
Number of RIPE addresses announced to Internet:               716961758
    Equivalent to 42 /8s, 187 /16s and 247 /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:                  128133
    Total LACNIC prefixes after maximum aggregation:              28677
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         127416
    Unique aggregates announced from the LACNIC address blocks:   49274
LACNIC Region origin ASes present in the Internet Routing Table:  11046
    LACNIC Prefixes per ASN:                                      11.54
LACNIC Region origin ASes announcing only one prefix:              2271
LACNIC Region transit ASes present in the Internet Routing Table:  2355
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8868
Number of LACNIC addresses announced to Internet:             178416416
    Equivalent to 10 /8s, 162 /16s and 107 /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:                  34264
    Total AfriNIC prefixes after maximum aggregation:              6059
    AfriNIC Deaggregation factor:                                  5.66
Prefixes being announced from the AfriNIC address blocks:         44692
    Unique aggregates announced from the AfriNIC address blocks:  12690
AfriNIC Region origin ASes present in the Internet Routing Table:  1815
    AfriNIC Prefixes per ASN:                                     24.62
AfriNIC Region origin ASes announcing only one prefix:              585
AfriNIC Region transit ASes present in the Internet Routing Table:  341
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: 1155
Number of AfriNIC addresses announced to Internet:            107756032
    Equivalent to 6 /8s, 108 /16s and 58 /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        9606       8904      98  CHINAMOBILE-CN China Mobile Communicati
  7545        5716        785     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5014       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4229        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4022       1857      55  VNPT-AS-VN VNPT Corp, VN
  7552        3803       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3605       1046      69  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3235        493     243  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2738      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2557        850     380  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        9170      11021    3312  AMAZON-02, US
 11492        4539        301     674  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3907       6660     632  COGENT-174, US
 22773        3651       3062     312  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3555       1320      67  SHAW, CA
   749        3161      54958    2413  DNIC-AS-00749, US
   367        3085       3852    1436  DNIC-ASBLK-00306-00371, US
 16625        3083       1406    2320  AKAMAI-AS, US
396982        2706       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        8635       1179    2941  TTNET, TR
 12479        7440       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4151       3398     174  AKAMAI-ASN1, NL
  8551        3448        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3135        279    1535  M247, RO
 12389        3013       2298     922  ROSTELECOM-AS, RU
  8452        2562       1852      14  TE-AS TE-AS, EG
  5384        2467        585      28  EMIRATES-INTERNET Emirates Internet, AE
 34984        2368        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       12003       3375     615  UNINET, MX
 10620        3540        504     856  Telmex Colombia S.A., CO
 13999        2430        335     634  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1332       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1299        770     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1251        342     506  Axtel, S.A.B. de C.V., MX
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1065        170     433  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        1605        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        1048         67      46  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         539         82       3  KENET-AS, KE
 15399         535         55      50  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       12003       3375     615  UNINET, MX
  9808        9606       8904      98  CHINAMOBILE-CN China Mobile Communicati
 16509        9170      11021    3312  AMAZON-02, US
 47331        8635       1179    2941  TTNET, TR
 12479        7440       1713     145  UNI2-AS, ES
  7545        5716        785     695  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5014       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4539        301     674  CABLEONE, US
 18403        4229        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        9606         9508  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7440         7295  UNI2-AS, ES
 16509        9170         5858  AMAZON-02, US
 47331        8635         5694  TTNET, TR
  7545        5716         5021  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5014         4939  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4229         4204  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4080  VIASAT-SP-BACKBONE, US
 20940        4151         3977  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     /14:1213    /15:2148    /16:13686   /17:8595    /18:14766   
/19:25793   /20:45832   /21:54590   /22:114654  /23:107611  /24:591581  
/25:1122    /26:1081    /27:1491    /28:159     /29:239     /30:79      
/31:73      /32:600     

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

   ASN  No of nets  Total ann.  Description
 47331        7751        8635  TTNET, TR
 12479        6528        7440  UNI2-AS, ES
  8151        6013       12003  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3451        4539  CABLEONE, US
  6327        3364        3555  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2925        3448  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2696        3651  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2150        2495  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2269      2:1615      3:267       4:8         5:4589      6:159    
   7:6         8:1627      9:1        11:172      12:1512     13:359    
  14:2415     15:306      16:201      17:371      18:665      20:332    
  21:4        22:188      23:6580     24:2945     25:2        27:2668   
  29:19       31:2700     32:91       34:28       35:121      36:2033   
  37:4623     38:6557     39:874      40:150      41:4785     42:2064   
  43:2421     44:333      45:17608    46:4545     47:399      49:1886   
  50:1912     51:578      52:1621     54:395      55:959      56:5      
  57:137      58:1965     59:1202     60:1015     61:2728     62:2795   
  63:1939     64:5855     65:2396     66:5156     67:3121     68:1372   
  69:4185     70:1393     71:644      72:3032     74:2670     75:1614   
  76:641      77:2456     78:4038     79:3043     80:2171     81:2090   
  82:1601     83:1377     84:1594     85:3939     86:872      87:2278   
  88:2921     89:4005     90:630      91:8044     92:2162     93:2662   
  94:3766     95:5122     96:1343     97:318      98:1125     99:735    
 100:123     101:1419    102:3397    103:32955   104:4824    105:2002   
 106:991     107:2812    108:1157    109:4330    110:2186    111:3174   
 112:2126    113:1812    114:1715    115:2144    116:1984    117:2559   
 118:2762    119:2054    120:1834    121:1276    122:2769    123:2285   
 124:1666    125:2648    128:1573    129:1006    130:1101    131:2080   
 132:969     133:408     134:1784    135:345     136:916     137:998    
 138:2893    139:1678    140:1332    141:1338    142:1572    143:1598   
 144:1014    145:348     146:2006    147:1637    148:2500    149:2421   
 150:905     151:1259    152:1992    153:594     154:5469    155:1411   
 156:2080    157:1390    158:1068    159:2205    160:2708    161:1618   
 162:3557    163:1689    164:1785    165:1919    166:1079    167:1767   
 168:4033    169:823     170:4888    171:979     172:3913    173:3041   
 174:993     175:1264    176:3767    177:5497    178:3601    179:2416   
 180:2637    181:3625    182:3419    183:2027    184:2286    185:20979  
 186:5034    187:4604    188:4264    189:4237    190:9529    191:1889   
 192:11088   193:9025    194:7548    195:5500    196:3653    197:3071   
 198:6091    199:6408    200:8297    201:6377    202:11009   203:10633  
 204:4612    205:3734    206:4485    207:3566    208:4178    209:4985   
 210:4737    211:2667    212:4374    213:3530    214:1115    215:70     
 216:6893    217:3026    218:1334    219:617     220:2042    221:991    
 222:864     223:2180   

End of report


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