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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Feb 2 21:40:10 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Sun 02 Feb, 2025

  IPv4 BGP Table (Global) as seen at USP.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/USP/

Analysis Summary
----------------

BGP routing table entries examined:                              973209
    Prefixes after maximum aggregation (per Origin AS):          371830
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      473499
    Number of IPv4 prefixes with a valid ROA:                    526463
    Number of IPv4 prefixes with an invalid ROA:                    180
    Number of IPv4 prefixes with no ROA:                         446566
Total ASes present in the Internet Routing Table:                 76553
    Prefixes per ASN:                                             12.71
Origin-only ASes present in the Internet Routing Table:           65618
Origin ASes announcing only one prefix:                           26852
Transit ASes present in the Internet Routing Table:               10935
Transit-only ASes present in the Internet Routing Table:            526
Paths with bogon ASNs present in the IPv4 Routing Table:            330
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1195
    Number of instances of unregistered ASNs:                      1214
Number of 32-bit ASNs allocated by the RIRs:                      46095
Number of 32-bit ASNs visible in the Routing Table:               37705
Prefixes from 32-bit ASNs in the Routing Table:                  198650
Number of bogon 32-bit ASNs visible in the Routing Table:            57
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            505
Number of addresses announced to Internet:                   3112056832
    Equivalent to 185 /8s, 126 /16s and 56 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      318674

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

Prefixes being announced by APNIC Region ASes:                   254993
    Total APNIC prefixes after maximum aggregation:               76120
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          246664
    Unique aggregates announced from the APNIC address blocks:   102450
APNIC Region origin ASes present in the Internet Routing Table:   14445
    APNIC Prefixes per ASN:                                       17.08
APNIC Region origin ASes announcing only one prefix:               4429
APNIC Region transit ASes present in the Internet Routing Table:   1931
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9952
Number of APNIC addresses announced to Internet:              752249856
    Equivalent to 44 /8s, 214 /16s and 108 /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:                    286988
    Total ARIN prefixes after maximum aggregation:               127407
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288673
    Unique aggregates announced from the ARIN address blocks:    134955
ARIN Region origin ASes present in the Internet Routing Table:    19212
    ARIN Prefixes per ASN:                                        15.03
ARIN Region origin ASes announcing only one prefix:                7024
ARIN Region transit ASes present in the Internet Routing Table:    1985
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          40
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5134
Number of ARIN addresses announced to Internet:              1344797440
    Equivalent to 80 /8s, 39 /16s and 251 /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, 393216-402332
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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    271641
    Total RIPE prefixes after maximum aggregation:               131779
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           268740
    Unique aggregates announced from the RIPE address blocks:    171478
RIPE Region origin ASes present in the Internet Routing Table:    28841
    RIPE Prefixes per ASN:                                         9.32
RIPE Region origin ASes announcing only one prefix:               12047
RIPE Region transit ASes present in the Internet Routing Table:    3966
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12233
Number of RIPE addresses announced to Internet:               732406016
    Equivalent to 43 /8s, 167 /16s and 161 /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,
                        53/8,  57/8,  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:                  123636
    Total LACNIC prefixes after maximum aggregation:              29065
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         120978
    Unique aggregates announced from the LACNIC address blocks:   48886
LACNIC Region origin ASes present in the Internet Routing Table:  11186
    LACNIC Prefixes per ASN:                                      10.82
LACNIC Region origin ASes announcing only one prefix:              2661
LACNIC Region transit ASes present in the Internet Routing Table:  2492
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9122
Number of LACNIC addresses announced to Internet:             177874176
    Equivalent to 10 /8s, 154 /16s and 37 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                  34756
    Total AfriNIC prefixes after maximum aggregation:              6706
    AfriNIC Deaggregation factor:                                  5.18
Prefixes being announced from the AfriNIC address blocks:         47648
    Unique aggregates announced from the AfriNIC address blocks:  15310
AfriNIC Region origin ASes present in the Internet Routing Table:  1909
    AfriNIC Prefixes per ASN:                                     24.96
AfriNIC Region origin ASes announcing only one prefix:              691
AfriNIC Region transit ASes present in the Internet Routing Table:  374
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1264
Number of AfriNIC addresses announced to Internet:            104470016
    Equivalent to 6 /8s, 58 /16s and 22 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10334       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6208        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4174        528     272  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4166        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3912       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3249       1869      99  VNPT-AS-VN VNPT Corp, VN
 24560        2832        852     536  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2203        434     190  TATACOMM-AS TATA Communications formerly 
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12682      38941    3737  AMAZON-02, US
 11492        4697        312     552  CABLEONE, US
  7155        4177        287      86  VIASAT-SP-BACKBONE, US
   174        3634       8760     888  COGENT-174, US
  6327        3614       1320      81  SHAW, CA
 22773        3591       3053     220  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3009       1302    2195  AKAMAI-AS, US
396982        2904       3657     444  GOOGLE-CLOUD-PLATFORM, US
 30036        2588        362     262  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7759       1711     144  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4004       3395     128  AKAMAI-ASN1, NL
  9009        3725        320    1911  M247, RO
 12389        2983       2302     889  ROSTELECOM-AS, RU
 34984        2370        361     581  TELLCOM-AS, TR
212238        1903        136    1403  CDNEXT, GB
 13188        1607        100      26  TRIOLAN, UA
  8452        1602       1852      14  TE-AS TE-AS, EG
 62240        1496         99     748  CLOUVIDER Clouvider - Global ASN, GB

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11680       3224     603  UNINET, MX
 10620        3540        492     954  Telmex Colombia S.A., CO
 13999        2502        539     365  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1337       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        777     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1159        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1137        374     163  Axtel, S.A.B. de C.V., MX
  6147        1102        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         98     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1681        601      30  RAYA-AS, EG
 24863        1646        389      16  LINKdotNET-AS, EG
 29571        1547         98     102  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1018        523      45  Vodafone-, EG
 20011         978        180     282  INTERNET-SOLUTIONS, ZA
 37069         871       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         548         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12682      38941    3737  AMAZON-02, US
  8151       11680       3224     603  UNINET, MX
  9808       10334       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7759       1711     144  UNI2-AS, ES
  7545        6208        843     663  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4697        312     552  CABLEONE, US
  7155        4177        287      86  VIASAT-SP-BACKBONE, US
  9498        4174        528     272  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4166        347      23  FPT-AS-AP FPT Telecom Company, VN

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       11680        11077  UNINET, MX
  9808       10334        10246  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7759         7615  UNI2-AS, ES
  7545        6208         5545  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 11492        4697         4145  CABLEONE, US
 18403        4166         4143  FPT-AS-AP FPT Telecom Company, VN
  7155        4177         4091  VIASAT-SP-BACKBONE, US
  9498        4174         3902  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912         3887  VIETEL-AS-AP Viettel Group, VN

Complete listing at https://bgp.nsrc.org/REN/USP/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, 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/USP/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/USP/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:42      /11:92      /12:308     
/13:588     /14:1225    /15:2168    /16:13930   /17:8256    /18:13719   
/19:24582   /20:43880   /21:51964   /22:112071  /23:100898  /24:599453  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6719        7759  UNI2-AS, ES
  8151        5893       11680  UNINET, MX
 11492        3555        4697  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3410        3614  SHAW, CA
  7155        3125        4177  VIASAT-SP-BACKBONE, US
 22773        2710        3591  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2265       12682  AMAZON-02, US
 30036        2247        2588  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2180        3540  Telmex Colombia S.A., CO

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

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

   1:2294      2:1539      3:568       4:9         5:4587      6:165    
   7:6         8:1544      9:1        11:172      12:1382     13:349    
  14:2498     15:343      16:270      17:360      18:913      20:450    
  21:4        22:188      23:7282     24:2736     25:2        27:2741   
  29:19       31:3114     32:38       34:71       35:184      36:2407   
  37:4621     38:8601     39:895      40:151      41:4195     42:1908   
  43:2521     44:347      45:18181    46:4976     47:293      49:1983   
  50:1864     51:589      52:1572     54:307      55:1139     56:9      
  57:236      58:2208     59:1182     60:1162     61:2786     62:2938   
  63:1830     64:5503     65:2090     66:4650     67:3029     68:1212   
  69:4015     70:1153     71:614      72:2872     74:2779     75:1640   
  76:628      77:2619     78:1852     79:1682     80:2211     81:2052   
  82:2163     83:1426     84:1798     85:3286     86:1004     87:2193   
  88:1275     89:4352     90:755      91:8330     92:2776     93:2880   
  94:3923     95:4177     96:1292     97:308      98:1015     99:737    
 100:71      101:1130    102:3672    103:32248   104:4667    105:758    
 106:1015    107:2624    108:1166    109:4081    110:2201    111:3388   
 112:2044    113:1763    114:1935    115:2199    116:2028    117:2745   
 118:2839    119:1933    120:1860    121:1345    122:2740    123:2162   
 124:1553    125:2860    126:94      128:1596    129:959     130:1276   
 131:1877    132:806     133:451     134:1521    135:321     136:1335   
 137:1279    138:2901    139:1592    140:1529    141:1478    142:1828   
 143:1614    144:1037    145:462     146:2143    147:2058    148:2586   
 149:2836    150:1198    151:1643    152:2055    153:571     154:7924   
 155:1605    156:3586    157:1883    158:1253    159:2422    160:3529   
 161:1806    162:3660    163:1794    164:1689    165:2171    166:1319   
 167:1877    168:4079    169:798     170:5061    171:1002    172:4315   
 173:3226    174:921     175:1267    176:3600    177:4760    178:3783   
 179:2215    180:2551    181:3951    182:3371    183:2029    184:2276   
 185:21459   186:5107    187:4295    188:4235    189:4147    190:9585   
 191:1535    192:11253   193:9373    194:7716    195:5463    196:3213   
 197:3586    198:6166    199:8274    200:8158    201:6304    202:10362  
 203:10590   204:4554    205:3654    206:4668    207:3574    208:4203   
 209:5148    210:4549    211:2512    212:4512    213:3747    214:1050   
 215:42      216:6611    217:3107    218:1335    219:372     220:2097   
 221:1055    222:716     223:2309   

End of report


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