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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Oct 29 22:43:25 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 29 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:                              986668
    Prefixes after maximum aggregation (per Origin AS):          362326
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454706
Total ASes present in the Internet Routing Table:                 75299
    Prefixes per ASN:                                             13.10
Origin-only ASes present in the Internet Routing Table:           64730
Origin ASes announcing only one prefix:                           25936
Transit ASes present in the Internet Routing Table:               10569
Transit-only ASes present in the Internet Routing Table:            478
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                     107
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1280
    Number of instances of unregistered ASNs:                      1282
Number of 32-bit ASNs allocated by the RIRs:                      42954
Number of 32-bit ASNs visible in the Routing Table:               35443
Prefixes from 32-bit ASNs in the Routing Table:                  184988
Number of bogon 32-bit ASNs visible in the Routing Table:           186
Special use prefixes present in the Routing Table:                   36
Prefixes being announced from unallocated address space:            607
Number of addresses announced to Internet:                   3054917345
    Equivalent to 182 /8s, 22 /16s and 86 /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:      338822

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

Prefixes being announced by APNIC Region ASes:                   259336
    Total APNIC prefixes after maximum aggregation:               73004
    APNIC Deaggregation factor:                                    3.55
Prefixes being announced from the APNIC address blocks:          252511
    Unique aggregates announced from the APNIC address blocks:    99177
APNIC Region origin ASes present in the Internet Routing Table:   13844
    APNIC Prefixes per ASN:                                       18.24
APNIC Region origin ASes announcing only one prefix:               4071
APNIC Region transit ASes present in the Internet Routing Table:   1850
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9122
Number of APNIC addresses announced to Internet:              773687712
    Equivalent to 46 /8s, 29 /16s and 137 /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:                    282282
    Total ARIN prefixes after maximum aggregation:               125901
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286082
    Unique aggregates announced from the ARIN address blocks:    132479
ARIN Region origin ASes present in the Internet Routing Table:    19136
    ARIN Prefixes per ASN:                                        14.95
ARIN Region origin ASes announcing only one prefix:                6955
ARIN Region transit ASes present in the Internet Routing Table:    1942
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4843
Number of ARIN addresses announced to Internet:              1277676608
    Equivalent to 76 /8s, 39 /16s and 204 /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:                    281274
    Total RIPE prefixes after maximum aggregation:               127812
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275199
    Unique aggregates announced from the RIPE address blocks:    160582
RIPE Region origin ASes present in the Internet Routing Table:    28545
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12050
RIPE Region transit ASes present in the Internet Routing Table:    3890
Average RIPE Region AS path length visible:                         3.6
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11442
Number of RIPE addresses announced to Internet:               716920033
    Equivalent to 42 /8s, 187 /16s and 84 /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:                  128142
    Total LACNIC prefixes after maximum aggregation:              28740
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127373
    Unique aggregates announced from the LACNIC address blocks:   49287
LACNIC Region origin ASes present in the Internet Routing Table:  11057
    LACNIC Prefixes per ASN:                                      11.52
LACNIC Region origin ASes announcing only one prefix:              2276
LACNIC Region transit ASes present in the Internet Routing Table:  2368
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        53
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8880
Number of LACNIC addresses announced to Internet:             178440224
    Equivalent to 10 /8s, 162 /16s and 200 /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:                  34354
    Total AfriNIC prefixes after maximum aggregation:              6064
    AfriNIC Deaggregation factor:                                  5.67
Prefixes being announced from the AfriNIC address blocks:         44895
    Unique aggregates announced from the AfriNIC address blocks:  12669
AfriNIC Region origin ASes present in the Internet Routing Table:  1815
    AfriNIC Prefixes per ASN:                                     24.74
AfriNIC Region origin ASes announcing only one prefix:              584
AfriNIC Region transit ASes present in the Internet Routing Table:  333
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                      107
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1156
Number of AfriNIC addresses announced to Internet:            107745536
    Equivalent to 6 /8s, 108 /16s and 17 /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        9608       8904      98  CHINAMOBILE-CN China Mobile Communicati
  7545        5718        785     696  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5024       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4250        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        3606       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3235        493     243  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2734      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2559        850     376  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        9157      11020    3320  AMAZON-02, US
 11492        4540        301     675  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3810       6653     625  COGENT-174, US
 22773        3655       3079     314  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3555       1320      67  SHAW, CA
   749        3161      54958    2413  DNIC-AS-00749, US
 16625        3092       1411    2326  AKAMAI-AS, US
   367        3056       3847    1424  DNIC-ASBLK-00306-00371, US
396982        2707       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        8636       1179    2942  TTNET, TR
 12479        7437       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4151       3398     174  AKAMAI-ASN1, NL
  8551        3446        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3248        286    1607  M247, RO
 12389        3002       2296     919  ROSTELECOM-AS, RU
  8452        2562       1852      14  TE-AS TE-AS, EG
  5384        2465        585      29  EMIRATES-INTERNET Emirates Internet, AE
 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       11996       3373     615  UNINET, MX
 10620        3540        504     856  Telmex Colombia S.A., CO
 13999        2425        336     634  Mega Cable, S.A. de C.V., MX
 11830        2006        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        1242        341     503  Axtel, S.A.B. de C.V., MX
  6147        1109        369      22  Telefonica del Peru S.A.A., PE
 28202        1100         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        1880        319      45  Telkom-Internet, ZA
 24863        1601        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
 15399         538         55      52  WANANCHI-, KE
 36914         529         82       3  KENET-AS, 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       11996       3373     615  UNINET, MX
  9808        9608       8904      98  CHINAMOBILE-CN China Mobile Communicati
 16509        9157      11020    3320  AMAZON-02, US
 47331        8636       1179    2942  TTNET, TR
 12479        7437       1713     145  UNI2-AS, ES
  7545        5718        785     696  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5024       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4540        301     675  CABLEONE, US
 18403        4250        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        9608         9510  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7437         7292  UNI2-AS, ES
 16509        9157         5837  AMAZON-02, US
 47331        8636         5694  TTNET, TR
  7545        5718         5022  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5024         4949  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4250         4225  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              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:      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     /14:1214    /15:2149    /16:13686   /17:8598    /18:14763   
/19:25779   /20:45827   /21:54604   /22:114650  /23:107651  /24:591844  
/25:1121    /26:1083    /27:1492    /28:159     /29:238     /30:79      
/31:73      /32:604     

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

   ASN  No of nets  Total ann.  Description
 47331        7752        8636  TTNET, TR
 12479        6525        7437  UNI2-AS, ES
  8151        6016       11996  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3452        4540  CABLEONE, US
  6327        3364        3555  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2923        3446  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2697        3655  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)
----------------------------------------------

   1:2274      2:1608      3:269       4:8         5:4593      6:158    
   7:6         8:1627      9:1        11:172      12:1512     13:354    
  14:2417     15:306      16:203      17:374      18:667      20:332    
  21:4        22:188      23:6587     24:2946     25:2        27:2667   
  29:19       31:2709     32:90       34:28       35:121      36:2033   
  37:4615     38:6573     39:874      40:150      41:4821     42:2080   
  43:2426     44:332      45:17593    46:4545     47:399      49:1874   
  50:1909     51:578      52:1621     54:395      55:960      56:5      
  57:137      58:1964     59:1204     60:1014     61:2737     62:2794   
  63:1940     64:5851     65:2400     66:5165     67:3122     68:1369   
  69:4187     70:1394     71:644      72:3033     74:2674     75:1609   
  76:635      77:2462     78:4039     79:3045     80:2174     81:2088   
  82:1600     83:1377     84:1571     85:3936     86:871      87:2279   
  88:2918     89:4012     90:630      91:8046     92:2164     93:2658   
  94:3770     95:5123     96:1343     97:318      98:1125     99:733    
 100:123     101:1421    102:3410    103:33004   104:4823    105:2001   
 106:994     107:2813    108:1157    109:4333    110:2187    111:3167   
 112:2126    113:1811    114:1715    115:2145    116:1988    117:2566   
 118:2763    119:2053    120:1833    121:1277    122:2770    123:2283   
 124:1666    125:2647    128:1565    129:1013    130:1095    131:2078   
 132:965     133:408     134:1783    135:345     136:916     137:999    
 138:2873    139:1678    140:1332    141:1334    142:1573    143:1599   
 144:1009    145:347     146:2005    147:1638    148:2502    149:2426   
 150:903     151:1260    152:1989    153:606     154:5574    155:1414   
 156:2100    157:1391    158:1069    159:2215    160:2705    161:1622   
 162:3554    163:1693    164:1782    165:1915    166:1081    167:1766   
 168:4026    169:823     170:4885    171:980     172:3902    173:3042   
 174:992     175:1263    176:3775    177:5505    178:3604    179:2420   
 180:2629    181:3625    182:3419    183:2032    184:2286    185:20998  
 186:5057    187:4585    188:4267    189:4240    190:9528    191:1866   
 192:11076   193:9025    194:7543    195:5498    196:3665    197:3068   
 198:6093    199:6412    200:8304    201:6367    202:11013   203:10633  
 204:4623    205:3743    206:4496    207:3566    208:4179    209:4981   
 210:4736    211:2666    212:4378    213:3526    214:1111    215:71     
 216:6896    217:3021    218:1335    219:618     220:2040    221:991    
 222:864     223:2179   

End of report


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